libreplace: add a missing "eval" to the AC_VERIFY_C_PROTOTYPE macro

Without this eval, upon test success the corresponding actions
(like defining corresponding variables) are not taken.

Found by Timur I. Bakeyev, and based on his patch for 3.5.

diff --git a/lib/replace/libreplace_macros.m4 b/lib/replace/libreplace_macros.m4
index 46aedd3a8392b721f5692cce46927ef2c12e193e..42b88471db33277088a7e0bc08d806c99b46cce9 100644 (file)
--- a/lib/replace/libreplace_macros.m4
+++ b/lib/replace/libreplace_macros.m4
@@ -298,7 +298,7 @@ AC_DEFUN(AC_VERIFY_C_PROTOTYPE,
                eval AS_TR_SH([ac_cv_c_prototype_$1])=no
        ])
 )
-AS_IF([test $AS_TR_SH([ac_cv_c_prototype_$1]) = yes],[$3],[$4])
+AS_IF([eval test $AS_TR_SH([ac_cv_c_prototype_$1]) = yes],[$3],[$4])
 ])
 
 AC_DEFUN(LIBREPLACE_PROVIDE_HEADER,