Fix build with gcc on FreeBSD-i386.

There is an issue building the bridges module with newer versions
of gcc. Merge a local workaround for gcc used in amd64 (r1424178)
to fix the build.

Reference:
http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/187218

bridges/source/cpp_uno/gcc3_freebsd_intel/except.cxx

@@ -24,11 +24,15 @@
 // MARKER(update_precomp.py): autogen include statement, do not remove
 #include "precompiled_bridges.hxx"
 
+#if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6))
+#include <exception>
+#endif
+
 #include <stdio.h>
+#include <string.h>
 #include <dlfcn.h>
 #include <cxxabi.h>
-#include <hash_map>
-#include <sys/param.h>
+#include <hash_map>#include <sys/param.h>
 
 #include <rtl/strbuf.hxx>
 #include <rtl/ustrbuf.hxx>