Declare debug channels as static variables so that we don't need to
generate an external .dbg.c file to define them.

diff --git a/Make.rules.in b/Make.rules.in
index 94bb883..456180d 100644
--- a/Make.rules.in
+++ b/Make.rules.in
@@ -107,7 +107,7 @@
 api_manext      = 3w
 conf_manext     = 5
 CLEAN_FILES     = *.o *.a *.so *.ln *.$(LIBEXT) \\\#*\\\# *~ *% .\\\#* *.bak *.orig *.rej \
-                  *.flc *.dbg.c *.tab.c *.tab.h @LEX_OUTPUT_ROOT@.c core
+                  *.flc *.tab.c *.tab.h @LEX_OUTPUT_ROOT@.c core
 
 OBJS = $(C_SRCS:.c=.o) $(EXTRA_OBJS)
 
@@ -167,11 +167,6 @@
 
 $(RC_SRCS:.rc=.res) $(RC_SRCS16:.rc=.res): $(WRC) $(RC_BINARIES) $(RC_TLB)
 
-# Rule for main module debug channels
-
-$(MODULE).dbg.c: $(C_SRCS) $(C_SRCS16) $(WINEBUILD)
-	$(WINEBUILD) $(DEFS) -o $@ --debug -C$(SRCDIR) $(C_SRCS) $(C_SRCS16)
-
 # Rules for makefile
 
 Makefile: Makefile.in $(TOPSRCDIR)/configure