gvpr compile: make 'sfx' parameter const

The pointed to data is not modified within this function.

diff --git a/lib/gvpr/compile.c b/lib/gvpr/compile.c
index df8cae0f6fdd7c5bf450ac2138fddf2cbe108f8c..641b2d657d362ecaba7401db195ccc4a5401d427 100644 (file)
--- a/lib/gvpr/compile.c
+++ b/lib/gvpr/compile.c
@@ -2272,8 +2272,7 @@ static Exdisc_t *initDisc(Gpr_t * state)
  * typed expression.
  */
 static Exnode_t *compile(Expr_t * prog, char *src, char *input, int line,
-                        char *lbl, char *sfx, int kind)
-{
+                         char *lbl, const char *sfx, int kind) {
     Exnode_t *e = 0;
     Sfio_t *sf;
     Sfio_t *prefix;