Update meson.build
Moved example dir variable into source meson.build script, fixed comment.
###################################################################################
# #
-# NAME: examples/example_4/meson.build #
+# NAME: meson.build #
# #
# AUTHOR: Mike Karlesky, Mark VanderVoord, Greg Williams. #
# WRITTEN BY: Michael Brockus. #
# #
###################################################################################
-
project('example-4', 'c')
unity_dep = dependency('unity', fallback : ['unity', 'unity_dep'])
-example_dir = include_directories('.', join_paths('.', 'src'))
-
subdir('src')
subdir('test')
