diff -burNp mozilla/toolkit/xre/nsAppRunner.cpp mozilla-dud/toolkit/xre/nsAppRunner.cpp
--- mozilla/toolkit/xre/nsAppRunner.cpp	2007-11-08 12:56:25.000000000 +0100
+++ mozilla-dud/toolkit/xre/nsAppRunner.cpp	2009-06-23 16:46:41.690624142 +0200
@@ -1370,7 +1370,7 @@ XRE_GetBinaryPath(const char* argv0, nsI
   if (NS_FAILED(rv))
     return rv;
 
-#elif
+#else  
 #error Oops, you need platform-specific code here
 #endif