Define bindir, libdir and incdir after custom PREFIX was set

Author: constantined

Diff for: configure

@@ -53,9 +53,6 @@ die_unknown(){
 }
 
 PREFIX="/mingw"
-bindir="${PREFIX}/bin"
-libdir="${PREFIX}/lib"
-incdir="${PREFIX}/include/sys"
 ar="ar"
 cc_default="gcc"
 ranlib="ranlib"
@@ -111,6 +108,9 @@ for opt do
     esac
 done
 
+bindir="${PREFIX}/bin"
+libdir="${PREFIX}/lib"
+incdir="${PREFIX}/include/sys"
 ar="${cross_prefix}${ar}"
 cc_default="${cross_prefix}${cc_default}"
 ranlib="${cross_prefix}${ranlib}"