Check for const in function parameters (first level only).

Place local static const data into the RODATA segment.


git-svn-id: svn://svn.cc65.org/cc65/trunk@253 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/cc65/error.c

@@ -152,7 +152,8 @@ static char* ErrMsg [ERR_COUNT-1] = {
     "Variable has unknown size",
     "Unknown identifier: `%s'",
     "Duplicate qualifier: `%s'",
-    "Assignment to const",
+    "Assignment discards `const' qualifier",
+    "Passing argument %u discards `const' qualifier",
 };