remove guard nolints from all headers

include/libyuv/row.h

Index: include/libyuv/row.h
diff --git a/include/libyuv/row.h b/include/libyuv/row.h
index 28090fa9b4a1ca828399932f39e483b9f8423092..f04c15527478d68577e49be71bad23df0bc945cc 100644
--- a/include/libyuv/row.h
+++ b/include/libyuv/row.h
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef INCLUDE_LIBYUV_ROW_H_  // NOLINT
+#ifndef INCLUDE_LIBYUV_ROW_H_
 #define INCLUDE_LIBYUV_ROW_H_
 
 #include <stdlib.h>  // For malloc.
@@ -22,16 +22,9 @@ extern "C" {
 
 #define IS_ALIGNED(p, a) (!((uintptr_t)(p) & ((a) - 1)))
 
-#ifdef __cplusplus
-#define align_buffer_64(var, size)                                             \
-  uint8* var##_mem = reinterpret_cast<uint8*>(malloc((size) + 63));            \
-  uint8* var = reinterpret_cast<uint8*>                                        \
-      ((reinterpret_cast<intptr_t>(var##_mem) + 63) & ~63)
-#else
 #define align_buffer_64(var, size)                                             \
   uint8* var##_mem = (uint8*)(malloc((size) + 63));               /* NOLINT */ \
   uint8* var = (uint8*)(((intptr_t)(var##_mem) + 63) & ~63)       /* NOLINT */
-#endif
 
 #define free_aligned_buffer_64(var) \
   free(var##_mem);  \
@@ -1950,4 +1943,4 @@ void ARGBLumaColorTableRow_SSSE3(const uint8* src_argb, uint8* dst_argb,
 }  // namespace libyuv
 #endif
 
-#endif  // INCLUDE_LIBYUV_ROW_H_  NOLINT
+#endif  // INCLUDE_LIBYUV_ROW_H_