reverted hack for 64bit, it was causing fail on 64bit machines and packages compiled without libdir option (default) and for mingw32 on 64bit machine

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@5119 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: rblazek

acinclude.m4

@@ -6,8 +6,7 @@ dnl   _lib
 dnl ------------------------------------------------------------------------
 AC_DEFUN([AQ_CHECK_LIB64],
 [
-if test "`echo ${libdir} | sed -e 's#.*lib64.*#64#'`" = "64" -o \
-        "`uname -i | sed -e 's#.*x86.*#64#'`" = "64" ; then
+if test "`echo ${libdir} | sed -e 's#.*lib64.*#64#'`" = "64" ; then
   _lib="lib64"
 else
   _lib="lib"