run-command: trivial style fixes

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

run-command.c

@@ -406,13 +406,12 @@ fail_pipe:
 					unsetenv(*cmd->env);
 			}
 		}
-		if (cmd->git_cmd) {
+		if (cmd->git_cmd)
 			execv_git_cmd(cmd->argv);
-		} else if (cmd->use_shell) {
+		else if (cmd->use_shell)
 			execv_shell_cmd(cmd->argv);
-		} else {
+		else
 			sane_execvp(cmd->argv[0], (char *const*) cmd->argv);
-		}
 		if (errno == ENOENT) {
 			if (!cmd->silent_exec_failure)
 				error("cannot run %s: %s", cmd->argv[0],
@@ -446,7 +445,6 @@ fail_pipe:
 		cmd->pid = -1;
 	}
 	close(notify_pipe[0]);
-
 }
 #else
 {
@@ -480,11 +478,10 @@ fail_pipe:
 	if (cmd->env)
 		env = make_augmented_environ(cmd->env);
 
-	if (cmd->git_cmd) {
+	if (cmd->git_cmd)
 		cmd->argv = prepare_git_cmd(cmd->argv);
-	} else if (cmd->use_shell) {
+	else if (cmd->use_shell)
 		cmd->argv = prepare_shell_cmd(cmd->argv);
-	}
 
 	cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env, cmd->dir,
 				  fhin, fhout, fherr);