contrib: sidplay2: fix the libresidc.la dependency

Otherwise in multithread builds it often tries to copy the file before it's
even built.

contrib/src/sidplay2/rules.mak

@@ -24,6 +24,7 @@ sidplay-libs: sidplay-libs-$(SID_VERSION).tar.gz .sum-sidplay2
 	$(APPLY) $(SRC)/sidplay2/sidplay2-noutils.patch
 	$(APPLY) $(SRC)/sidplay2/sidplay2-string.patch
 	$(APPLY) $(SRC)/sidplay2/sidplay-fix-ln-s.patch
+	$(APPLY) $(SRC)/sidplay2/sidplay2-resid-dependency.patch
 	$(MOVE)
 
 .sidplay2: sidplay-libs

contrib/src/sidplay2/sidplay2-resid-dependency.patch

+--- sidplay-libs/resid/Makefile.am.deps	2019-03-18 08:21:29.769206400 +0100
++++ sidplay-libs/resid/Makefile.am	2019-03-18 11:13:13.915779800 +0100
+@@ -10,7 +10,7 @@ else
+ noinst_LTLIBRARIES = libresidc.la
+ noinst_HEADERS = $(resid_headers)
+ 
+-all-local:
++all-local: libresidc.la
+ 	$(LN_S)f libresidc.la libresid.la
+ 
+ endif