configure: fix pwd -W unknown option on mingw32

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@67054 15284696-431f-4ddb-bdfa-cd5b030d7da7

configure

@@ -1192,7 +1192,7 @@ fi
 
 
 if test "$MINGW32" = yes ; then
-  winpwd="$pwd -W"
+  winpwd="pwd -W"
 else
   winpwd="$pwd"
 fi

configure.in

@@ -65,7 +65,7 @@ AC_SUBST(BINDIR)
 AC_PATH_PROG(pwd, pwd, pwd)
 
 if test "$MINGW32" = yes ; then
-  winpwd="$pwd -W"
+  winpwd="pwd -W"
 else
   winpwd="$pwd"
 fi