makefiles: Remove the no longer used SPEC_SRCS variable from 16-bit makefiles.
[wine] / dlls / sound.drv16 /
drwxr-xr-x   ..
-rw-r--r-- 304 Makefile.in
-rw-r--r-- 4584 sound.c
-rw-r--r-- 971 sound.drv16.spec