liborcus: still build statically on Android

Change-Id: Ieeb5180ea7f96cb08d06bf895bd2a6ffc6c1cef0
(cherry picked from commit 0aed9cbb)
Signed-off-by: David Tardon <dtardon@redhat.com>

external/liborcus/ExternalProject_liborcus.mk

@@ -87,8 +87,7 @@ $(call gb_ExternalProject_get_state_target,liborcus,build) :
 		MDDS_LIBS=' ' \
 		MAKE=$(MAKE) ./configure \
 			--with-pic \
-			--enable-shared \
-			--disable-static \
+			$(if $(filter IOS ANDROID,$(OS)), --disable-shared --enable-static, --enable-shared --disable-static) \
 			$(if $(ENABLE_DEBUG),--enable-debug,--disable-debug) \
 			--disable-spreadsheet-model \
 			--without-tools \