Fix another GCC warning

* src/nsterm.m (ns_draw_glyphless_glyph_string_foreground): Fix
another compiler warning.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/nsterm.m b/src/nsterm.m
index e70463b9877..17f40dc7e37 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -4242,7 +4242,7 @@ ns_draw_glyphless_glyph_string_foreground (struct glyph_string *s)
 #else
       enum { PACIFY_GCC_BUG_81401 = 0 };
 #endif
-      char buf[7 + PACIFY_GCC_BUG_81401];
+      char buf[8 + PACIFY_GCC_BUG_81401];
       char *str = NULL;
       int len = glyph->u.glyphless.len;
 
@@ -4268,7 +4268,7 @@ ns_draw_glyphless_glyph_string_foreground (struct glyph_string *s)
         {
           unsigned int ch = glyph->u.glyphless.ch;
           eassume (ch <= MAX_CHAR);
-          snprintf (buf, 7, "%0*X", ch < 0x10000 ? 4 : 6, ch);
+          snprintf (buf, 8, "%0*X", ch < 0x10000 ? 4 : 6, ch);
           str = buf;
         }