[NFC][libc++] Consistently use spaces to indent

rdar://problem/19988944

llvm-svn: 338933
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 7c3492b00d99c81d4a58a8015dbe313eabaea799
diff --git a/include/bitset b/include/bitset
index cd6c289..6e28596 100644
--- a/include/bitset
+++ b/include/bitset
@@ -238,9 +238,9 @@
     size_t __sz = _Size;
     for (size_t __i = 0; __i < sizeof(__t)/sizeof(__t[0]); ++__i, __v >>= __bits_per_word, __sz -= __bits_per_word )
         if ( __sz < __bits_per_word)
-        	__t[__i] = static_cast<__storage_type>(__v) & ( 1ULL << __sz ) - 1;
+            __t[__i] = static_cast<__storage_type>(__v) & ( 1ULL << __sz ) - 1;
         else
-        	__t[__i] = static_cast<__storage_type>(__v);
+            __t[__i] = static_cast<__storage_type>(__v);
 
     _VSTD::copy(__t, __t + sizeof(__t)/sizeof(__t[0]), __first_);
     _VSTD::fill(__first_ + sizeof(__t)/sizeof(__t[0]), __first_ + sizeof(__first_)/sizeof(__first_[0]),
@@ -254,7 +254,7 @@
 {
     __first_[0] = __v;
     if (_Size < __bits_per_word)
-    	__first_[0] &= ( 1ULL << _Size ) - 1;
+        __first_[0] &= ( 1ULL << _Size ) - 1;
 
     _VSTD::fill(__first_ + 1, __first_ + sizeof(__first_)/sizeof(__first_[0]), __storage_type(0));
 }
@@ -269,9 +269,9 @@
 #if __SIZEOF_SIZE_T__ == 8
     : __first_{__v}
 #elif __SIZEOF_SIZE_T__ == 4
-    : __first_{static_cast<__storage_type>(__v), 
-    			_Size >= 2 * __bits_per_word ? static_cast<__storage_type>(__v >> __bits_per_word)
-    			: static_cast<__storage_type>((__v >> __bits_per_word) & (__storage_type(1) << (_Size - __bits_per_word)) - 1)}
+    : __first_{static_cast<__storage_type>(__v),
+                _Size >= 2 * __bits_per_word ? static_cast<__storage_type>(__v >> __bits_per_word)
+                : static_cast<__storage_type>((__v >> __bits_per_word) & (__storage_type(1) << (_Size - __bits_per_word)) - 1)}
 #else
 #error This constructor has not been ported to this platform
 #endif