patch 7.4.1587

Problem:    Compiler warnings with 64 bit compiler.
Solution:   Add type casts. (Mike Williams)

Author: brammool

src/ex_cmds2.c

@@ -3272,7 +3272,7 @@ do_in_runtimepath(
 
     if ((done == FAIL || (flags & DIP_ALL)) && (flags & DIP_START))
     {
-	len = STRLEN(start_dir) + STRLEN(name);
+	len = (int)(STRLEN(start_dir) + STRLEN(name));
 	s = alloc(len);
 	if (s == NULL)
 	    return FAIL;
@@ -3283,7 +3283,7 @@ do_in_runtimepath(
 
     if ((done == FAIL || (flags & DIP_ALL)) && (flags & DIP_OPT))
     {
-	len = STRLEN(opt_dir) + STRLEN(name);
+	len = (int)(STRLEN(opt_dir) + STRLEN(name));
 	s = alloc(len);
 	if (s == NULL)
 	    return FAIL;

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1587,
 /**/
     1586,
 /**/