Fix all indentation

CryptoSwift/MD5.swift

@@ -108,7 +108,7 @@ final class MD5 : HashProtocol  {
         }
 
         let buf: NSMutableData = NSMutableData();
-		hh.forEach({ (item) -> () in
+        hh.forEach({ (item) -> () in
             var i:UInt32 = item.littleEndian
             buf.appendBytes(&i, length: sizeofValue(i))
         })

CryptoSwift/SHA2.swift

@@ -192,10 +192,10 @@ final class SHA2 : HashProtocol {
         
         // Produce the final hash value (big-endian) as a 160 bit number:
         let buf: NSMutableData = NSMutableData();
-		variant.resultingArray(hh).forEach{ (item) -> () in
-			var i:UInt32 = UInt32(item.bigEndian)
-			buf.appendBytes(&i, length: sizeofValue(i))
-		}
+        variant.resultingArray(hh).forEach{ (item) -> () in
+            var i:UInt32 = UInt32(item.bigEndian)
+            buf.appendBytes(&i, length: sizeofValue(i))
+        }
 		
         return buf.copy() as! NSData;
     }
@@ -205,9 +205,9 @@ final class SHA2 : HashProtocol {
         
         // hash values
         var hh = [UInt64]()
-		variant.h.forEach {(h) -> () in
-				hh.append(h)
-			}
+        variant.h.forEach {(h) -> () in
+            hh.append(h)
+        }
 		
   
         // append message length, in a 64-bit big-endian integer. So now the message length is a multiple of 512 bits.
@@ -277,7 +277,7 @@ final class SHA2 : HashProtocol {
         // Produce the final hash value (big-endian)
         let buf: NSMutableData = NSMutableData();
         
-		variant.resultingArray(hh).forEach({ (item) -> () in
+        variant.resultingArray(hh).forEach({ (item) -> () in
             var i = item.bigEndian
             buf.appendBytes(&i, length: sizeofValue(i))
         })