Make zlib version detection cross-compile happy.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>

diff -Nura thrift-0.9.1.orig/aclocal/ax_lib_zlib.m4 thrift-0.9.1/aclocal/ax_lib_zlib.m4
--- thrift-0.9.1.orig/aclocal/ax_lib_zlib.m4	2013-08-15 11:04:29.000000000 -0300
+++ thrift-0.9.1/aclocal/ax_lib_zlib.m4	2013-10-07 20:47:44.523177973 -0300
@@ -73,7 +73,7 @@
           #   (defined in the library).
           AC_LANG_PUSH([C])
           dnl This can be changed to AC_LINK_IFELSE if you are cross-compiling.
-          AC_RUN_IFELSE([AC_LANG_PROGRAM([[
+          AC_LINK_IFELSE([AC_LANG_PROGRAM([[
           #include <zlib.h>
           #if ZLIB_VERNUM >= 0x$WANT_ZLIB_VERSION
           #else