fix imagegaps being added when there's no image

docs/example.Xresources

@@ -1,4 +1,4 @@
-spmenu.font:               Noto Regular 8
+spmenu.font:               Noto Sans Mono 8
 spmenu.col_itemnormfg:     #bbbbbb
 spmenu.col_itemnormbg:     #222222
 spmenu.col_itemselfg:      #eeeeee

options.h

@@ -35,7 +35,7 @@ static int borderwidth                 = 2; /* Width of the border */
 static int bordercentered              = 1; /* Draw border only when centered */
 
 /* Font options */
-static char font[]                     = "Noto Regular 8"; /* Font to draw text and Pango markup with. */
+static char font[]                     = "Noto Sans Mono 8"; /* Font to draw text and Pango markup with. */
 
 /* Symbol options */
 static char *leftarrow                 = "<"; /* Left arrow, used to indicate you can move to the left */

spmenu.c

@@ -499,7 +499,7 @@ drawmenu(void)
 
 	if (lines > 0) {
         #if USEIMAGE
-        if (imagewidth)
+        if (imagewidth && image)
             x += imagegaps + imagewidth;
         #endif
 		/* draw grid */