Merge pull request #12955 from bwbarrett/bugfix/freebsd-compile

tests: Add stdint.h header

Author: bwbarrett

test/support/support.h

@@ -23,6 +23,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 
 #define TEST_AND_REPORT(res, exp_res, str) \
  if (res == exp_res) \