change default behaviour of 'go to given position' function

before that number without any other signs was treated as time
in seconds to go, now it's threated as %. treating a number as
seconds needs you to type 's' after numeric value.

src/help.cpp

@@ -179,7 +179,7 @@ void Help::GetKeybindings()
 #	ifdef HAVE_TAGLIB_H
 	*w << DisplayKeys(Key.EditTags) << "Edit song's tags/playlist's name\n";
 #	endif // HAVE_TAGLIB_H
-	*w << DisplayKeys(Key.GoToPosition) << "Go to chosen position in current song\n";
+	*w << DisplayKeys(Key.GoToPosition) << "Go to given position in current song (in % by default)\n";
 	*w << DisplayKeys(Key.SongInfo) << "Show song's info\n";
 #	ifdef HAVE_CURL_CURL_H
 	*w << DisplayKeys(Key.ArtistInfo) << "Show artist's info\n";

src/ncmpcpp.cpp

@@ -1290,7 +1290,7 @@ int main(int argc, char *argv[])
 				continue;
 			}
 			LockStatusbar();
-			Statusbar() << "Position to go (in %/mm:ss/seconds): ";
+			Statusbar() << "Position to go (in %/mm:ss/seconds(s)): ";
 			string position = wFooter->GetString();
 			UnlockStatusbar();
 			
@@ -1308,17 +1308,17 @@ int main(int argc, char *argv[])
 				if (newpos > 0 && newpos < s->GetTotalLength())
 					Mpd->Seek(newpos);
 			}
-			else if (position.find('%') != string::npos) // probably position in %
+			else if (position.find('s') != string::npos) // probably position in seconds
 			{
 				newpos = StrToInt(position);
-				if (newpos > 0 && newpos < 100)
-					Mpd->Seek(s->GetTotalLength()*newpos/100.0);
+				if (newpos > 0 && newpos < s->GetTotalLength())
+					Mpd->Seek(newpos);
 			}
 			else
 			{
 				newpos = StrToInt(position);
-				if (newpos > 0 && newpos < s->GetTotalLength())
-					Mpd->Seek(newpos);
+				if (newpos > 0 && newpos < 100)
+					Mpd->Seek(s->GetTotalLength()*newpos/100.0);
 			}
 		}
 		else if (Keypressed(input, Key.ReverseSelection))