patch 8.1.0937: invalid memory access in search pattern

Problem:    Invalid memory access in search pattern. (Kuang-che Wu)
Solution:   Check for incomplete collation element. (Dominique Pelle,
            closes #3985)

src/version.c

@@ -779,6 +779,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    937,
 /**/
     936,
 /**/