don't use unsigned in on Solaris, will break math expressions that are

supposed to generate negative results (related to issue #5050)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6436 65c4cc65-6c06-0410-ace0-fbb531ad65f3

ast_expr2.fl

@@ -8,7 +8,7 @@
 #ifndef SOLARIS
 #include <err.h>
 #else
-#define quad_t uint64_t
+#define quad_t int64_t
 #endif
 #include <errno.h>
 #include <regex.h>

ast_expr2.y

@@ -21,7 +21,7 @@
 #ifndef SOLARIS
 #include <err.h>
 #else
-#define quad_t uint64_t
+#define quad_t int64_t
 #endif
 #include <errno.h>
 #include <regex.h>