winebuild: Don't prefix local symbols with an underscore.
diff --git a/tools/winebuild/utils.c b/tools/winebuild/utils.c
index b5ac1b9..3a29a4b 100644
--- a/tools/winebuild/utils.c
+++ b/tools/winebuild/utils.c
@@ -659,6 +659,7 @@
     {
     case PLATFORM_APPLE:
     case PLATFORM_WINDOWS:
+        if (sym[0] == '.' && sym[1] == 'L') return sym;
         buffer[0] = '_';
         strcpy( buffer + 1, sym );
         return buffer;