patch 7.4.817

Problem:    Invalid memory access in file_pat_to_reg_pat().
Solution:   Use vim_isspace() instead of checking for a space only. (Dominique
            Pelle)

src/fileio.c

@@ -10277,7 +10277,7 @@ file_pat_to_reg_pat(pat, pat_end, allow_dirs, no_bslash)
 		    reg_pat[i++] = '?';
 		else
 		    if (*p == ',' || *p == '%' || *p == '#'
-				       || *p == ' ' || *p == '{' || *p == '}')
+			       || vim_isspace(*p) || *p == '{' || *p == '}')
 			reg_pat[i++] = *p;
 		    else if (*p == '\\' && p[1] == '\\' && p[2] == '{')
 		    {

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    817,
 /**/
     816,
 /**/