diff -urp mozilla/toolkit/xre/nsAppRunner.cpp mozilla.new/toolkit/xre/nsAppRunner.cpp
--- mozilla/toolkit/xre/nsAppRunner.cpp	2007-11-08 06:56:25.000000000 -0500
+++ mozilla.new/toolkit/xre/nsAppRunner.cpp	2009-05-16 14:31:45.000000000 -0400
@@ -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