Use a uniform naming scheme for driver modules.

Makefile.in

diff --git a/Makefile.in b/Makefile.in
index 5929a81..ab65498 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -191,7 +191,7 @@
 	dlls/winmm/mciwave/mciwave.drv.o \
 	dlls/winmm/midimap/midimap.drv.o \
 	dlls/winmm/wavemap/msacm.drv.o \
-	dlls/winmm/wineoss/wineoss.o \
+	dlls/winmm/wineoss/wineoss.drv.o \
 	dlls/winspool/winspool.o \
 	dlls/wnaspi32/wnaspi32.o \
 	files/files.o \

dlls/winmm/wineoss/Makefile.in

diff --git a/dlls/winmm/wineoss/Makefile.in b/dlls/winmm/wineoss/Makefile.in
index fc896c3..1bce0c7 100644
--- a/dlls/winmm/wineoss/Makefile.in
+++ b/dlls/winmm/wineoss/Makefile.in
@@ -3,7 +3,7 @@
 TOPOBJDIR = ../../..
 SRCDIR    = @srcdir@
 VPATH     = @srcdir@
-MODULE    = wineoss
+MODULE    = wineoss.drv
 
 SPEC_SRCS = \
 	wineoss.spec