[build] Fix error building biglib without CUDA (kaldi-asr#4031)

Error message:
g++: error: cudafeat/kaldi-*.a: No such file or directory
g++: error: cudadecoder/kaldi-*.a: No such file or directory
Makefile:67: recipe for target 'biglib' failed
make: *** [biglib] Error 1

src/Makefile

@@ -61,11 +61,11 @@ endif
 biglib: $(SUBDIRS_LIB)
 ifeq ($(KALDI_FLAVOR), dynamic)
 ifeq ($(shell uname), Darwin)
-	$(CXX) -dynamiclib -o $(KALDILIBDIR)/libkaldi.dylib -install_name @rpath/libkaldi.dylib -framework Accelerate $(LDFLAGS) $(SUBDIRS_LIB:=/*.dylib)
+	$(CXX) -dynamiclib -o $(KALDILIBDIR)/libkaldi.dylib -install_name @rpath/libkaldi.dylib -framework Accelerate $(LDFLAGS) $(wildcard $(SUBDIRS_LIB:=/*.dylib))
 else
 ifeq ($(shell uname), Linux)
 	#$(warning the following command will probably fail, in that case add -fPIC to your CXXFLAGS and remake all)
-	$(CXX) -shared -o $(KALDILIBDIR)/$(KALDI_SONAME) -Wl,-soname=$(KALDI_SONAME),--whole-archive  $(SUBDIRS_LIB:=/kaldi-*.a) $(LDLIBS) -Wl,--no-whole-archive
+	$(CXX) -shared -o $(KALDILIBDIR)/$(KALDI_SONAME) -Wl,-soname=$(KALDI_SONAME),--whole-archive  $(wildcard $(SUBDIRS_LIB:=/kaldi-*.a)) -Wl,--no-whole-archive  $(LDLIBS)
 else
 	$(error Dynamic libraries not supported on this platform. Run configure with --static flag. )
 endif