Add a company setting to control auto-fill timetable rounding.

src/table/company_settings.ini

@@ -159,6 +159,21 @@ strval   = STR_CONFIG_SETTING_PERCENTAGE
 cat      = SC_EXPERT
 patxname = ""auto_timetable_separation_rate""
 
+[SDT_VAR]
+base     = CompanySettings
+var      = timetable_autofill_rounding
+type     = SLE_UINT16
+guiflags = SGF_PER_COMPANY
+def      = 74
+min      = 1
+max      = 1000
+interval = 10
+str      = STR_CONFIG_SETTING_TIMETABLE_AUTOFILL_ROUNDING_TICKS
+strhelp  = STR_CONFIG_SETTING_TIMETABLE_AUTOFILL_ROUNDING_TICKS_HELPTEXT
+strval   = STR_JUST_INT
+cat      = SC_EXPERT
+patxname = ""timetable_autofill_rounding""
+
 [SDT_END]