qgis: Move patchfiles near post-patch block

See: https://trac.macports.org/ticket/55905

gis/qgis/Portfile

@@ -31,10 +31,6 @@ worksrcdir          QGIS-${distname}
 checksums           rmd160  fc85c0821532505c531aacb39f5abdfc9fac15f0 \
                     sha256  f8912cddca6673b54fcbea8b418d877b51d7229ebd4caec07bdb5fbfda6851e4
 
-patchfiles          patch-app_info_plist_in.diff \
-                    patch-PyQtMacros.diff \
-                    patch-python_core_conversions_sip.diff
-
 depends_lib-append  port:libiconv \
                     port:expat \
                     path:lib/libssl.dylib:openssl \
@@ -52,6 +48,10 @@ depends_build-append \
                     port:bison \
                     port:ld64
 
+patchfiles          patch-app_info_plist_in.diff \
+                    patch-PyQtMacros.diff \
+                    patch-python_core_conversions_sip.diff
+
 post-patch {
     reinplace -E "s|@PREFIX@|${prefix}|g" \
         ${worksrcpath}/mac/app.info.plist.in