fixes bug 278307 "When GRE_HOME is set, #ifndef XP_WIN32 and #ifndef XP_UNIX we return null unexpectedly" patch by callek, r+sr=darin

git-svn-id: svn://10.0.0.236/trunk@167696 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpcom/glue/standalone/nsGREDirServiceProvider.cpp

@@ -304,6 +304,9 @@ GRE_GetGREPath()
 #elif XP_WIN32
     if (!_fullpath(sGRELocation, env, MAXPATHLEN))
       strcpy(sGRELocation, env);
+#else
+    // hope for the best
+    strcpy(sGRELocation, env);
 #endif
     // xxxbsmedberg: it would help that other platforms had a "make absolute" function
     return sGRELocation;