gv2gxl _xml_string: use 'size_t' to track buffer size

Squashes -Wconversion warnings.

diff --git a/cmd/tools/gv2gxl.c b/cmd/tools/gv2gxl.c
index 5f55146a3badbff93ba5b000105e50a5a415e230..6e359f2fc92325c9be192c1a7674ea5ac67da353 100644 (file)
--- a/cmd/tools/gv2gxl.c
+++ b/cmd/tools/gv2gxl.c
@@ -11,7 +11,7 @@
 
 #include "convert.h"
 #include <ctype.h>
-#include <stddef.h>
+#include <stdlib.h>
 
 #define SMALLBUF    128
 
@@ -183,9 +183,9 @@ static int xml_isentity(char *s)
 static char *_xml_string(char *s, int notURL)
 {
     static char *buf = NULL;
-    static int bufsize = 0;
+    static size_t bufsize = 0;
     char *p, *sub, *prev = NULL;
-    int len, pos = 0;
+    size_t len, pos = 0;
 
     if (!buf) {
        bufsize = 64;