Merge pull request #2314 from acqn/PPFix

[cc65] Separated C preprocessor errors from other errors

test/err/bug2312-pperror-only.c

@@ -0,0 +1,8 @@
+/* Bug #2312 */
+
+#error "Compiler should exit with failure"
+
+int main(void)
+{
+    return 0;
+}