patch 8.2.0375: Coverity warning for not using return value

Problem:    Coverity warning for not using return value.
Solution:   Move error message to separate function.
diff --git a/src/version.c b/src/version.c
index 6f1b9e7..2e720ad 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    375,
+/**/
     374,
 /**/
     373,