Fixed the dwBCastAddr member of MIB_IPADDRROW, added a test program.

diff --git a/configure.ac b/configure.ac
index 066cf7c..161211e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1515,6 +1515,7 @@
 dlls/imagehlp/Makefile
 dlls/imm32/Makefile
 dlls/iphlpapi/Makefile
+dlls/iphlpapi/tests/Makefile
 dlls/kernel/Makefile
 dlls/kernel/tests/Makefile
 dlls/lzexpand/Makefile