compile fix: FD_ZERO (sys/select.h) on solaris wants to use memset(); closes #2997117

src/FbTk/Timer.cc

@@ -36,15 +36,21 @@
 #include "config.h"
 #endif // HAVE_CONFIG_H
 
-#include <sys/time.h>
-#include <sys/types.h>
-#include <unistd.h>
 #ifdef HAVE_CASSERT
   #include <cassert>
 #else
   #include <assert.h>
 #endif
 
+// sys/select.h on solaris wants to use memset()
+#ifdef HAVE_CSTRING
+#  include <cstring>
+#else
+#  include <string.h>
+#endif
+
+#include <sys/select.h>
+
 namespace FbTk {
 
 Timer::TimerList Timer::m_timerlist;

src/FbTk/Timer.hh

@@ -45,7 +45,6 @@
 #endif // HAVE_INTTYPES_H
 
 #include <sys/types.h>
-#include <sys/select.h>
 #include <sys/time.h>
 #include <unistd.h>