fix ncurses build

ncurses/ncurses.spec

@@ -58,7 +58,7 @@ AutoReqProv:  no
     terminal screen handling library.
 
 %prep
-    %setup -q 
+    %setup -q -n ncurses-%{V_base}
     ( PATH="%{l_prefix}/bin:$PATH"; export PATH; sh %{PATCH0} )
     for patch in %{PATCH1} %{PATCH2}; do
         %{l_gzip} -d -c $patch | %{l_patch} -p1