patch 9.1.0193: May leak memory in completion when ga_grow() fails

Problem:  May leak memory in completion when ga_grow() fails.
Solution: Free "wca" when ga_grow() fails (zeertzjq).

fixes: #14248
closes: #14249

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index dc97d9b..8fa2f69 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    193,
+/**/
     192,
 /**/
     191,