Fixing the italic-bold font check. Thanks nsz.

st.c

@@ -2408,7 +2408,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 
 	if(base.mode & ATTR_ITALIC)
 		font = &dc.ifont;
-	if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
+	if(base.mode & (ATTR_ITALIC|ATTR_BOLD))
 		font = &dc.ibfont;
 
 	if(IS_SET(MODE_REVERSE)) {