patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts

Problem:    Alloc() returning "char_u *" causes a lot of type casts.
Solution:   Have it return "void *". (Mike Williams)  Define ALLOC_ONE() to
            check the simple allocations.

src/version.c

@@ -61,7 +61,7 @@ init_longVersion(void)
 		+ strlen(VIM_VERSION_DATE_ONLY)
 		+ strlen(date_time);
 
-    longVersion = (char *)alloc(len);
+    longVersion = alloc(len);
     if (longVersion == NULL)
 	longVersion = VIM_VERSION_LONG;
     else
@@ -767,6 +767,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1414,
 /**/
     1413,
 /**/