Merge branch 'develop-fix' into 'next'

Add VERSIONSTRING_RC to DEVELOP builds for compiler compatibility

Closes #663

See merge request !1607

src/doomdef.h

@@ -127,6 +127,7 @@ extern char logfilename[1024];
 //#define DEVELOP // Disable this for release builds to remove excessive cheat commands and enable MD5 checking and stuff, all in one go. :3
 #ifdef DEVELOP
 #define VERSIONSTRING "Development EXE"
+#define VERSIONSTRING_RC "Development EXE" "\0"
 // most interface strings are ignored in development mode.
 // we use comprevision and compbranch instead.
 // VERSIONSTRING_RC is for the resource-definition script used by windows builds