fixed a warning

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15556 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/tiff/tif_print.c b/src/tiff/tif_print.c
index 689586afab545a5e1f073373211cda63c7a9c459..7197e652e455a73c0b865193dae8925b6c594391 100644 (file)
--- a/src/tiff/tif_print.c
+++ b/src/tiff/tif_print.c
@@ -460,7 +460,7 @@ _TIFFprintAscii(FILE* fd, const char* cp)
        for (; *cp != '\0'; cp++) {
                const char* tp;
 
-               if (isprint(*cp)) {
+               if (isprint((int)*cp)) {
                        fputc(*cp, fd);
                        continue;
                }