patch 9.1.1313: compile warning about uninitialized value

Problem:  compile warning about uninitialized value
          (Tony Mechelynck, after v9.1.1311)
Solution: initialize variable on declaration

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 2a51b42..ef28005 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1313,
+/**/
     1312,
 /**/
     1311,