Fix default settings

Some boolean settings disappeared in 0c90b5dcf3

settingtypes.txt

@@ -1,38 +1,38 @@
 #The gravity of thrown snowballs.
-snowball_gravity (Snowball Gravity) float 0.91
+snow_snowball_gravity (Snowball Gravity) float 0.91
 
 #How fast players throw snowballs.
-snowball_velocity (Snowball Velocity) float 19
+snow_snowball_velocity (Snowball Velocity) float 19
 
 #Enable/Disable sleds.
-sleds (Enable Sleds) bool true
+snow_sleds (Enable Sleds) bool true
 
 #Enables falling snow.
-enable_snowfall (Enable Snowfall) bool true
+snow_enable_snowfall (Enable Snowfall) bool true
 
 #Reduces the amount of resources and fps used by snowfall.
-lighter_snowfall (Use Light Snowfall) bool false
+snow_lighter_snowfall (Use Light Snowfall) bool false
 
 #Enables debug output. Currently it only prints mgv6 info.
-debug (Debug Mode) bool false
+snow_debug (Debug Mode) bool false
 
 #Disable this to remove christmas saplings from being found.
-christmas_content (Enable Christmas Content) bool true
+snow_christmas_content (Enable Christmas Content) bool true
 
 #Enables debug output. Currently it only prints mgv6 info.
-smooth_biomes (Smooth Biome Transitions) bool true
+snow_smooth_biomes (Smooth Biome Transitions) bool true
 
 #The minumum height a snow biome will generate (mgv7)
-min_height (Minumum Height for Snow Biomes) int 3
+snow_min_height (Minumum Height for Snow Biomes) int 3
 
 #Disable this to stop snow from being smoothed.
-smooth_snow (Multiple Snow Levels) bool true
+snow_smooth_snow (Multiple Snow Levels) bool true
 
 #mapgen rarity in %.
-mapgen_rarity (Snow Biome Rarity %) float 18
+snow_mapgen_rarity (Snow Biome Rarity %) float 18
 
 #size of the generated… (has an effect to the rarity, too)
-mapgen_size (Snow Biome Size) float 210
+snow_mapgen_size (Snow Biome Size) float 210
 
 #Minetest finally has capable snow biomes by default, lets not mess it up with the old snowgen.
-disable_mapgen (Disable mod-generated biomes) bool true
+snow_disable_mapgen (Disable mod-generated biomes) bool true