fate: Skip the checkasm test if CONFIG_STATIC is disabled

When building DLLs with MSVC, CONFIG_STATIC is disabled (see
d66c52c2 for a more verbose explanation) since the built
object files can't be linked statically (which checkasm does).

This worked up until recently, only by luck.

Signed-off-by: Martin Storsjö <martin@martin.st>

tests/fate/checkasm.mak

@@ -19,5 +19,5 @@ $(FATE_CHECKASM): tests/checkasm/checkasm$(EXESUF)
 $(FATE_CHECKASM): CMD = run tests/checkasm/checkasm --test=$(@:fate-checkasm-%=%)
 $(FATE_CHECKASM): REF = /dev/null
 
-FATE += $(FATE_CHECKASM)
+FATE-$(CONFIG_STATIC) += $(FATE_CHECKASM)
 fate-checkasm: $(FATE_CHECKASM)