Fix gitui-org#1473 - correct msg limit in get_commits_intf

When sync::get_commits_inf is called in revlog:::fetch_commits, the
message limit used was the length of the list which can be zero at start
up before items are fetched. This results in initial view of the Log
view showing empty messages.

src/components/commitlist.rs

@@ -88,9 +88,9 @@ impl CommitList {
 	}
 
 	///
-	pub fn current_size(&self) -> (u16, u16) {
-		self.current_size.get()
-	}
+	//pub fn current_size(&self) -> (u16, u16) {
+	//	self.current_size.get()
+	//}
 
 	///
 	pub fn set_count_total(&mut self, total: usize) {

src/tabs/revlog.rs

@@ -28,6 +28,7 @@ use tui::{
 };
 
 const SLICE_SIZE: usize = 1200;
+static MAX_MESSAGE_WIDTH: usize = 100;
 
 ///
 pub struct Revlog {
@@ -160,7 +161,7 @@ impl Revlog {
 		let commits = sync::get_commits_info(
 			&self.repo.borrow(),
 			&self.git_log.get_slice(want_min, SLICE_SIZE)?,
-			self.list.current_size().0.into(),
+			MAX_MESSAGE_WIDTH,
 		);
 
 		if let Ok(commits) = commits {