empty string in directory list now means current directory

util/cpp/input.c

@@ -32,7 +32,7 @@ getwdir(fn)
 		*p = '/';
 		return fn;
 	}
-	else return ".";
+	else return "";
 }
 
 int	NoUnstack;

util/cpp/main.c

@@ -33,7 +33,7 @@ main(argc, argv)
 	inctable = (char **) Malloc(10 * sizeof(char *));
 	inc_max = 10;
 	inc_total = 2;
-	inctable[0] = ".";
+	inctable[0] = "";
 	inctable[1] = "/usr/include";
 	init_pp();	/* initialise the preprocessor macros	*/