gvpr endString: squash -Wconversion warning

`c` is known to be a character here.

diff --git a/lib/gvpr/parse.c b/lib/gvpr/parse.c
index ac32185854a93c973d1d7e0c4d05873d4beae094..b065f7ecc6c6589befc70ff779f301df7e685a43 100644 (file)
--- a/lib/gvpr/parse.c
+++ b/lib/gvpr/parse.c
@@ -251,7 +251,7 @@ static int endString(Sfio_t * ins, agxbuf * outs, char ec)
            lineno++;
        agxbputc(outs, (char) c);
     }
-    agxbputc(outs, c);
+    agxbputc(outs, (char)c);
     return 0;
 }