Update UAC nsis plugin to 0.2.4c. Building the installer with nsis 3.0 (final) is possible now. Closes #5556.

dist/windows/README.txt

@@ -1,12 +1,12 @@
 TRANSLATORS:
 
-1. Use an editor that has NSIS syntax highlighting(eg Notepad++/Geany). This will 
+1. Use an editor that has NSIS syntax highlighting(eg Notepad++/Geany). This will
    make your life easier.
-2. Open the relevant .nsi file that exists in the folder named 
+2. Open the relevant .nsi file that exists in the folder named
    "installer-translations"
-3. Lines starting with ";" are considered comments. These include the 
+3. Lines starting with ";" are considered comments. These include the
    english message to help you with the translation.
-4. Edit only the part inside the quotation marks(""). Unless you know 
+4. Edit only the part inside the quotation marks(""). Unless you know
    what you are doing.
 5. Save the files with utf8 encoding and BOM.
 6. Submit your changes: 1) as a pull request to the official git repo or
@@ -16,17 +16,13 @@ TRANSLATORS:
 PACKAGERS:
 
 You will need NSIS and upx to make the installer. You need a unicode version of NSIS.
-I tested with NSIS 3.0a0. 
+I tested with NSIS 3.0 (final).
 
 1. Open the options.nsi file in an editor and change line that contains
-   "!define PROG_VERSION "3.0.3"" to the version of qbittorrent you just built. 
-2. Extract the plugins found in the folder "nsis plugins" into your 
+   "!define PROG_VERSION "3.0.3"" to the version of qbittorrent you just built.
+2. Extract the plugins found in the folder "nsis plugins" into your
    NSIS's unicode Plugin directory(usually C:\Program Files\NSIS\Plugins\x86-unicode).
-   Only the *.dll files are needed. Don't use the .dll from UAC.zip, use the one from "UAC Unicode.zip".
-   NOTE: To build the unicode version of UAC with MSVC2008 you need:
-    a) the sources from UAC.zip
-    b) apply the util.cpp.diff from "UAC Unicode.zip" to util.cpp
-    c) in a msvc command prompt issue: cl.exe /O1s /GS- /GR- /EHs-c- /Zl /LD /DUNICODE RunAs.cpp uac.cpp util.cpp /link kernel32.lib user32.lib shell32.lib advapi32.lib ole32.lib /DLL /MANIFEST:NO /OUT:uac.dll 
+   Only the *.dll files are needed. Use the unicode version of the dlls.
 3. The script you need to compile is "qbittorrent.nsi". It includes all other necessary scripts.
 4. The script expects the following file tree:
 
@@ -53,10 +49,11 @@ qbittorrent.exe
 qbittorrent.nsi
 qt.conf
 translations.nsi
+UAC.nsh
 uninstaller.nsi
 
 
-5. "license.txt" is a text file that contains the text rendered 
+5. "license.txt" is a text file that contains the text rendered
    from src\gui\gpl.html or the text contained in COPYING
 6. "qbittorrent.exe" is the compiled binary file.
 
@@ -64,7 +61,7 @@ SCRIPT HACKERS:
 
 If you add any new LangString variable to the scripts you NEED to provide
 "translations" of it to all the .nsi files inside "installer-translations.
-You can always leave the english string but you have to use all the LANG_<lang name> 
-for the given variable. Otherwise, if the user chooses a language that you 
-haven't provided a LANG_<lang name> for your variable then your string will be empty. 
+You can always leave the english string but you have to use all the LANG_<lang name>
+for the given variable. Otherwise, if the user chooses a language that you
+haven't provided a LANG_<lang name> for your variable then your string will be empty.
 Don't worry though, NSIS throws warnings for this when compiling the scripts.

dist/windows/UAC.nsh

@@ -228,6 +228,8 @@ pop $_LOGICLIB_TEMP
 !undef _UAC_ParseDefineFlags_orin_this
 !ifdef _UAC_ParseDefineFlags_orin_f1
 	!undef _UAC_ParseDefineFlags_orin_f1
+!endif
+!ifdef _UAC_ParseDefineFlags_orin_f2
 	!undef _UAC_ParseDefineFlags_orin_f2
 !endif
 !macroend