apps/import/Makefile:  Eliminate a MAKE sytax error that occurs in some (but not environments) when symtab.c has not been generated.
SUBDIRS = arch build include libs startup tmp
FILES = .config System.map User.map
-
-define MKSYMTAB
ifeq (,$(wildcard ./symtab.c))
+define MKSYMTAB
$(Q) $(MAKE) -f Makefile.symtab $1
-endif
endef
+else
+define MKSYMTAB
+endef
+endif
all: symtab
.PHONY: context depend clean distclean
