More robust OPENBLAS_ prefixing of macros in openblas_config.h

Makefile.install

@@ -23,7 +23,7 @@ install : 	lib.grd
 #for inc 
 	@echo \#ifndef OPENBLAS_CONFIG_H > $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
 	@echo \#define OPENBLAS_CONFIG_H >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
-	@awk '{print $$1, "OPENBLAS_"$$2, $$3}' config_last.h >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
+	@awk 'NF {print $$1, "OPENBLAS_"$$2, $$3}' config_last.h >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
 	@echo \#define OPENBLAS_VERSION \" OpenBLAS $(VERSION) \" >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
 	@cat openblas_config_template.h >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h
 	@echo \#endif  \/\* OPENBLAS_CONFIG_H \*\/ >> $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/openblas_config.h