Bug 1246894 - Remove msys-perl-wrapper. r=mshal

msys-perl-wrapper was used to transform windows paths after the -I flag,
which was a preprocessor flag, which a) doesn't exist anymore and b) the
preprocessor has not even be in perl for years.

build/msys-perl-wrapper

@@ -1,20 +0,0 @@
-#!/bin/sh
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-
-args=""
-
-for i in "${@}"
-do
-    case "$i" in
-    -I?:/*)
-        i="$(echo "${i}" | sed -e 's|^-I\(.\):/|-I/\1/|')"
-	;;
-    esac
-
-    args="${args} '${i}'"
-done
-
-eval "exec perl $args"

configure.in

@@ -1839,11 +1839,6 @@ case "$host" in
     HOST_CFLAGS="$HOST_CFLAGS -DXP_WIN32 -DXP_WIN -DWIN32 -D_WIN32 -DNO_X11 -D_CRT_SECURE_NO_WARNINGS"
     HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}"
     HOST_BIN_SUFFIX=.exe
-    case "$host" in
-    *mingw*)
-        PERL="/bin/sh ${_topsrcdir}/build/msys-perl-wrapper"
-        ;;
-    esac
 
     case "${host_cpu}" in
     i*86)

js/src/configure.in

@@ -1383,11 +1383,6 @@ case "$host" in
     HOST_CFLAGS="$HOST_CFLAGS -DXP_WIN32 -DXP_WIN -DWIN32 -D_WIN32 -DNO_X11 -D_CRT_SECURE_NO_WARNINGS"
     HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}"
     HOST_BIN_SUFFIX=.exe
-    case "$host" in
-    *mingw*)
-        PERL="/bin/sh ${_topsrcdir}/build/msys-perl-wrapper"
-        ;;
-    esac
 
     case "${host_cpu}" in
     i*86)