CVE漏洞修复

Signed-off-by: wxc <wangxiaocai@huawei.com>

BUILD.gn

@@ -195,4 +195,5 @@ ohos_shared_library("libtiff") {
     output_extension = "so"
     install_images = [ "system" ]
     ldflags = [ "-Wl,-Map=libtiff.map" ]
+    
 }

tools/tiffcrop.c

@@ -2907,8 +2907,9 @@ int main(int argc, char *argv[])
     }
 
     /* If we did not use the read buffer as the crop buffer */
-    if (read_buff && read_buff != crop_buff)
+    if (read_buff && read_buff != crop_buff) {
         _TIFFfree(read_buff);
+    }
 
     if (crop_buff)
         _TIFFfree(crop_buff);