move charset.alias file from lib/ to lib/m4/ in order to resolve a file conflict with 'iconv' package

m4/m4.spec

@@ -33,7 +33,7 @@ Class:        CORE
 Group:        MacroProcessor
 License:      GPL
 Version:      1.4.9
-Release:      20070324
+Release:      20070503
 
 #   list of sources
 Source0:      ftp://ftp.gnu.org/gnu/m4/m4-%{version}.tar.gz
@@ -70,6 +70,7 @@ AutoReqProv:  no
     GREP="grep" \
     ./configure \
         --prefix=%{l_prefix} \
+        --libdir=%{l_prefix}/lib/m4 \
         --datarootdir=%{l_prefix} \
         --disable-nls