include signal.h for kill(2)

Remove an ifdef that prevented this.  signal.h is part of posix
and dtucker@ notes OpenSSH portable uses it without ifdefs.

ok matthieu@ robert@

app/xlockmore/xlock/logout.c

@@ -40,10 +40,7 @@ static const char sccsid[] = "@(#)logout.c	4.02 97/04/01 xlockmore";
 #if ( HAVE_SYSLOG_H && defined( USE_SYSLOG ))
 #include <syslog.h>
 #endif
-#if defined(__CYGWIN__) || defined(SOLARIS2)
 #include <signal.h>
-#endif
-#include <sys/signal.h>
 
 extern Bool inroot, inwindow, nolock, debug;
 extern char *logoutCmd;

lib/libGLU/src/libnurbs/internals/varray.cc

@@ -73,8 +73,8 @@ Varray::~Varray( void )
 inline void
 Varray::update( Arc_ptr arc, long dir[2], REAL val )
 {
-    register long ds = sgn(arc->tail()[0] - arc->prev->tail()[0]);
-    register long dt = sgn(arc->tail()[1] - arc->prev->tail()[1]);
+    long ds = sgn(arc->tail()[0] - arc->prev->tail()[0]);
+    long dt = sgn(arc->tail()[1] - arc->prev->tail()[1]);
 
     if( dir[0] != ds || dir[1] != dt ) {
 	dir[0] = ds;