ffprobe: Rename variable in csv_escape_str()

Sync to 3245be9 .

Signed-off-by: Alexander Strasser <eclipse7@gmx.net>

ffprobe.c

@@ -567,9 +567,9 @@ static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep,
  */
 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
 {
-    int quote = !!src[strcspn(src, "\",\n\r")];
+    int needs_quoting = !!src[strcspn(src, "\",\n\r")];
 
-    if (quote)
+    if (needs_quoting)
         av_bprint_chars(dst, '\"', 1);
 
     for (; *src; src++) {
@@ -577,7 +577,7 @@ static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep
             av_bprint_chars(dst, '\"', 1);
         av_bprint_chars(dst, *src, 1);
     }
-    if (quote)
+    if (needs_quoting)
         av_bprint_chars(dst, '\"', 1);
     return dst->str;
 }