ALL: Remove obsolete register keyword

The register keyword was deprecated from the C++11 standard,
<http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4193.html#809>,
and removed from the C++17 standard,
<http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4340>, so
cannot exist in a well-formed C++17 program.

It has never done anything in GCC
<https://gcc.gnu.org/ml/gcc/2010-05/msg00113.html>
and because of the way it is specified in the standard, it is “as
meaningful as whitespace”
<http://www.drdobbs.com/keywords-that-arent-or-comments-by-anoth/184403859>.

The one remaining use of the register keyword is in the DS backend,
where it is used to create a local register variable using the
non-standard GCC Extended Asm feature.

Closes gh-1079.

1 files changed, 4 insertions, 4 deletions

diff --git a/engines/tony/mpal/lzo.cpp b/engines/tony/mpal/lzo.cpp
index 6cc2333315..b9accb6c89 100644
--- a/engines/tony/mpal/lzo.cpp
+++ b/engines/tony/mpal/lzo.cpp
@@ -77,10 +77,10 @@ namespace MPAL {
  * Decompresses an LZO compressed resource
  */
 int lzo1x_decompress(const byte *in, uint32 in_len, byte *out, uint32 *out_len) {
-	register byte *op;
-	register const byte *ip;
-	register uint32 t = 0;
-	register const byte *m_pos;
+	byte *op;
+	const byte *ip;
+	uint32 t = 0;
+	const byte *m_pos;
 
 	const byte * const ip_end = in + in_len;