(fontset_pattern_regexp): `==' was used instead of `='.

diff --git a/src/fontset.c b/src/fontset.c
index 976e271..fe35268 100644 (file)
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -435,7 +435,7 @@ fontset_pattern_regexp (pattern)
              *p1++ = '*';
            }
          else if (*p0 == '?')
-           *p1++ == '.';
+           *p1++ = '.';
          else
            *p1++ = *p0;
        }