mpc (version > 0.8) now a hard requirement for gcc 4.5.0

git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@1529 4407c894-4637-0410-b4f5-ada5f102cad1

mingw-w64-doc/howto-build/mingw-w64-howto-build-adv.txt

diff --git a/mingw-w64-doc/howto-build/mingw-w64-howto-build-adv.txt b/mingw-w64-doc/howto-build/mingw-w64-howto-build-adv.txt
index ceb052e..5e00226 100644
--- a/mingw-w64-doc/howto-build/mingw-w64-howto-build-adv.txt
+++ b/mingw-w64-doc/howto-build/mingw-w64-howto-build-adv.txt
@@ -108,7 +108,7 @@
 Homepage:               <http://www.multiprecision.org/>
 Depends on:             GMP
 Depended by:            None
-GCC dependency type:    Soft (GCC can build without it)
+GCC dependency type:    Hard (GCC won't build without it)
 
 MPC isn't particularly fussy about configure options, so the usual:
 	./configure