Set PREFIX=/usr for packaging

src/stub

@@ -141,10 +141,10 @@ deploy() {
             echo '%setup -q'
             echo ''
             echo '%build'
-            echo 'make %{?_smp_mflags}'
+            echo 'make %{?_smp_mflags} PREFIX=/usr'
             echo ''
             echo '%install'
-            echo '%make_install'
+            echo '%make_install PREFIX=/usr'
             echo ''
             echo '%files'
             echo 'MKIT_STUB_FILELIST'
@@ -197,7 +197,7 @@ deploy() {
             echo ''
             echo 'override_dh_auto_install:'
             echo ''
-            echo '	make install DESTDIR=debian/tmp'
+            echo '	make install PREFIX=/usr DESTDIR=debian/tmp'
             echo ''
             echo 'override_dh_usrlocal:'
             echo ''