Merge pull request #255 from dawgfoto/Bug6652

fix fallout from Bug6652

std/net/isemail.d

@@ -102,7 +102,7 @@ EmailStatus isEmail (Char) (const(Char)[] email, CheckDns checkDNS = CheckDns.no
     auto endOrDie = false;
     auto crlfCount = int.min; // int.min == not defined
 
-    foreach (i, e ; email)
+    foreach (ref i, e ; email)
     {
         token = email.get(i, e);
 

std/path.d

@@ -2135,7 +2135,7 @@ body
 {
 	size_t ni; // current character in path
 
-    foreach (pi; 0 .. pattern.length)
+    foreach (ref pi; 0 .. pattern.length)
     {
         C pc = pattern[pi];
         switch (pc)

std/xml.d

@@ -437,7 +437,7 @@ string decode(string s, DecodeMode mode=DecodeMode.LOOSE)
     if (mode == DecodeMode.NONE) return s;
 
     char[] buffer;
-    foreach (i; 0 .. s.length)
+    foreach (ref i; 0 .. s.length)
     {
         char c = s[i];
         if (c != '&')