forgot to count newlines when scanning white space.

also fix a error-printing bug in godoc.

R=gri
http://go/go-review/1016030

src/cmd/godoc/godoc.go

@@ -446,8 +446,8 @@ func readTemplate(name string) *template.Template {
 	if err != nil {
 		log.Exitf("ReadFile %s: %v", path, err);
 	}
-	t, err1 := template.Parse(string(data), fmap);
-	if err1 != nil {
+	t, err := template.Parse(string(data), fmap);
+	if err != nil {
 		log.Exitf("%s: %v", name, err);
 	}
 	return t;

src/pkg/template/template.go

@@ -275,6 +275,7 @@ Loop:
 		// consume trailing white space
 		for ; i < len(t.buf) && white(t.buf[i]); i++ {
 			if t.buf[i] == '\n' {
+				t.linenum++;
 				i++;
 				break	// stop after newline
 			}
@@ -850,7 +851,7 @@ func (t *Template) Parse(s string) os.Error {
 	}
 	t.buf = strings.Bytes(s);
 	t.p = 0;
-	t.linenum = 0;
+	t.linenum = 1;
 	t.parse();
 	return t.error;
 }