patch 9.0.0934: various code formatting issues

Problem:    Various code formatting issues.
Solution:   Improve code formatting.
diff --git a/src/gui_xim.c b/src/gui_xim.c
index d384cbc..6998f0c 100644
--- a/src/gui_xim.c
+++ b/src/gui_xim.c
@@ -133,7 +133,7 @@
 
 #if defined(FEAT_EVAL) || defined(PROTO)
 /*
- * Mark the global 'imactivatefunc' and 'imstatusfunc' callbacks with 'copyID'
+ * Mark the global 'imactivatefunc' and 'imstatusfunc' callbacks with "copyID"
  * so that they are not garbage collected.
  */
     int