toolchain-wrapper: minor code style fixup

Missed from 60cb290475c (add option to print one argument per line).

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

toolchain/toolchain-external/ext-toolchain-wrapper.c

@@ -170,7 +170,7 @@ int main(int argc, char **argv)
 			fprintf(stderr, "Toolchain wrapper executing:");
 			for (i = 0; args[i]; i++)
 				fprintf(stderr, "%s'%s'",
-					(debug == 2)?"\n    ":" ", args[i]);
+					(debug == 2) ? "\n    " : " ", args[i]);
 			fprintf(stderr, "\n");
 		}
 	}