gvpr: cast values when calling endString

Squashes a -Wconversion warning and we know `c` is a char here.

diff --git a/lib/gvpr/parse.c b/lib/gvpr/parse.c
index b065f7ecc6c6589befc70ff779f301df7e685a43..f8753e22db4989e45bb90cd7951d075e14f5876f 100644 (file)
--- a/lib/gvpr/parse.c
+++ b/lib/gvpr/parse.c
@@ -279,7 +279,7 @@ static int endBracket(Sfio_t * ins, agxbuf * outs, char bc, char ec)
                agxbputc(outs, (char) c);
        } else if (c == '\'' || c == '"') {
            agxbputc(outs, (char) c);
-           if (endString(ins, outs, c)) return -1;
+           if (endString(ins, outs, (char)c)) return -1;
        } else
            agxbputc(outs, (char) c);
     }