Fix compilation on solaris

Thanks Wojciech Lichota for the patch.

Fixes #1516

configure.ac

@@ -55,6 +55,9 @@ case "${host}" in
     *linux*)
         SUN_EXTRA_INCLUDE="linux"
         ;;
+    *solaris*)
+        SUN_EXTRA_INCLUDE="solaris"
+        ;;
 esac
 
 ### adapting build environment for different platforms...

lasso/logging.c

@@ -25,6 +25,7 @@
 #include "logging.h"
 #include "lasso_config.h"
 #include <glib.h>
+#include <time.h>
 
 void
 lasso_log(GLogLevelFlags level, const char *filename, int line,