[PATCH] acinclude.m4: fix __builtin_alloca availability test

[Yann Droneaud]

# HG changeset patch
# User Yann Droneaud <yann at droneaud.fr>
# Date 1259853333 18000
# Node ID 3081e11883a3f2169a893e4f224d046f1f8ac93f
# Parent  5f710b3ff8457795a4e376281561c1aeeee1d3d4
acinclude.m4: fix __builtin_alloca availability test

Use GMP_PROG_CC_WORKS_PART() instead of GMP_PROG_CC_WORKS_PART_TEST()
otherwise main() is not declared and the test program failed to link

diff -r 5f710b3ff845 -r 3081e11883a3 acinclude.m4
--- a/acinclude.m4	Thu Dec 03 15:00:04 2009 +0100
+++ b/acinclude.m4	Thu Dec 03 10:15:33 2009 -0500
@@ -548,7 +548,7 @@
 
 # __builtin_alloca is not available everywhere, check it exists before
 # seeing that it works
-GMP_PROG_CC_WORKS_PART_TEST([$1],[__builtin_alloca availability],
+GMP_PROG_CC_WORKS_PART([$1],[__builtin_alloca availability],
 [int k; int foo () { __builtin_alloca (k); }],
   [GMP_PROG_CC_WORKS_PART([$1], [alloca array],
 [/* The following provokes an internal compiler error from Itanium HP-UX cc