Include dependencies for test programs

This makes sure the various *-test programs are correctly rebuilt
when necessary.
Signed-off-by: Mans Rullgard <mans@mansr.com>

common.mak

@@ -89,7 +89,7 @@ FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(ALLFFLIBS)) $(LDFLAGS)
 
 EXAMPLES  := $(addprefix $(SUBDIR),$(addsuffix -example$(EXESUF),$(EXAMPLES)))
 OBJS      := $(addprefix $(SUBDIR),$(sort $(OBJS)))
-TESTOBJS  := $(addprefix $(SUBDIR),$(TESTOBJS))
+TESTOBJS  := $(addprefix $(SUBDIR),$(TESTOBJS) $(TESTPROGS:%=%-test.o))
 TESTPROGS := $(addprefix $(SUBDIR),$(addsuffix -test$(EXESUF),$(TESTPROGS)))
 HOSTOBJS  := $(addprefix $(SUBDIR),$(addsuffix .o,$(HOSTPROGS)))
 HOSTPROGS := $(addprefix $(SUBDIR),$(addsuffix $(HOSTEXESUF),$(HOSTPROGS)))
@@ -111,4 +111,4 @@ CLEANSUFFIXES     = *.d *.o *~ *.ho *.map *.ver
 DISTCLEANSUFFIXES = *.pc
 LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp
 
--include $(wildcard $(OBJS:.o=.d))
+-include $(wildcard $(OBJS:.o=.d) $(TESTOBJS:.o=.d))