xstrcasecmp: conform to C89 pointer rules

1 files changed, 3 insertions, 3 deletions

diff --git a/src/font.c b/src/font.c
index 907271566da..394c0055328 100644
--- a/src/font.c
+++ b/src/font.c
@@ -315,7 +315,7 @@ font_style_to_value (enum font_property_index prop, Lisp_Object val, int noerror
 
   if (SYMBOLP (val))
     {
-      unsigned char *s;
+      char *s;
       Lisp_Object args[2], elt;
 
       /* At first try exact match.  */
@@ -325,12 +325,12 @@ font_style_to_value (enum font_property_index prop, Lisp_Object val, int noerror
             return ((XINT (AREF (AREF (table, i), 0)) << 8)
                     | (i << 4) | (j - 1));
       /* Try also with case-folding match.  */
-      s = SDATA (SYMBOL_NAME (val));
+      s = SSDATA (SYMBOL_NAME (val));
       for (i = 0; i < len; i++)
         for (j = 1; j < ASIZE (AREF (table, i)); j++)
           {
             elt = AREF (AREF (table, i), j);
-            if (xstrcasecmp (s, SDATA (SYMBOL_NAME (elt))) == 0)
+            if (xstrcasecmp (s, SSDATA (SYMBOL_NAME (elt))) == 0)
               return ((XINT (AREF (AREF (table, i), 0)) << 8)
                       | (i << 4) | (j - 1));
           }