Bug: https://bugs.gentoo.org/894764

--- a/source/Irrlicht/CColorConverter.cpp
+++ b/source/Irrlicht/CColorConverter.cpp
@@ -165,7 +165,7 @@
 		out += lineWidth * height;
 
 	u32 x;
-	register u32 c;
+	u32 c;
 	for (u32 y=0; y < (u32) height; ++y)
 	{
 		if (flip)
--- a/source/Irrlicht/CMY3DHelper.h
+++ b/source/Irrlicht/CMY3DHelper.h
@@ -269,7 +269,7 @@
     unsigned char *out_buf, int out_buf_size)
 {
      // we start out with 3 repeating bytes
-     register int len = 3;
+     int len = 3;
 
      unsigned char ch;
 
@@ -328,7 +328,7 @@
 //-----------------------------------------------------------
 void flush_outbuf(unsigned char *out_buf, int out_buf_size)
 {
-    register int pos=0;
+    int pos=0;
 
     if(!outbuf_cnt)
        return;        // nothing to do */