update ggplot2 coord example to coord_transform - #113

file=R/coord_geo_radial.R,line=217,col=1,[object_name_linter] Variable and function name style should match snake_case or symbols.

file=R/coord_geo_radial.R,line=178,col=10,[indentation_linter] Indentation should be 4 spaces but is 10 spaces (or start argument on previous line).

file=R/coord_geo_radial.R,line=169,col=7,[object_name_linter] Variable and function name style should match snake_case or symbols.

file=R/coord_geo_radial.R,line=161,col=3,[object_name_linter] Variable and function name style should match snake_case or symbols.

file=R/coord_geo_radial.R,line=113,col=5,[object_name_linter] Variable and function name style should match snake_case or symbols.

file=R/coord_geo_radial.R,line=105,col=5,[object_name_linter] Variable and function name style should match snake_case or symbols.

file=R/coord_geo_radial.R,line=91,col=30,[object_name_linter] Variable and function name style should match snake_case or symbols.

file=R/coord_geo_radial.R,line=90,col=52,[object_name_linter] Variable and function name style should match snake_case or symbols.

file=R/coord_geo_radial.R,line=90,col=30,[object_name_linter] Variable and function name style should match snake_case or symbols.

file=R/coord_geo_polar.R,line=244,col=1,[object_name_linter] Variable and function name style should match snake_case or symbols.