added mbtest to the build

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28971 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/system/libroot/posix/Jamfile

@@ -68,6 +68,10 @@ SimpleTest xsi_sem_test1
 	: xsi_sem_test1.cpp
 ;
 
+SimpleTest mbtest
+	: mbtest.c
+;
+
 # Tell Jam where to find these sources
 SEARCH on [ FGristFiles
 		syslog.cpp

src/tests/system/libroot/posix/mbtest.c

@@ -0,0 +1,12 @@
+#include <locale.h>
+#include <limits.h>
+#include <stdio.h>
+
+int main(int argc, char** argv) {
+	
+	setlocale(LC_CTYPE, "");
+	
+	printf("Len: %i\n", mblen(argv[1], SSIZE_MAX));
+	
+	return 0;
+}