patch 9.1.0627: MinGW: build-error when COVERAGE is enabled

Problem:  MinGW: build-error when COVERAGE is enabled
          (after v9.1.0621)
Solution: Fix regressions in v9.1.0621 and v9.1.0622
          (Ken Takata)

* Fix build error when COVERAGE=yes.
* Fix if_lua with USE_GC_SECTIONS=yes.

related: #15361

Signed-off-by: Ken Takata <kentkt@csc.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 54fda94..d6f8085 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    627,
+/**/
     626,
 /**/
     625,