move Emacs mode selection to end

test.txt

@@ -1,14 +1,18 @@
-#!./main 								-*- C -*-
+#!./main
 
 #include <stdio.h>
 
-int foo(int a)
+int foo(void)
 {
     return 42;
 }
 
 int main(int argc, char **argv)
 {
-    printf("hello, world %d\n", foo(argc));
+    printf("hello, world %d\n", foo());
     return 0;
 }
+
+// Local Variables:
+// mode: c
+// End: