utils: fix declaration of "env_path_sep" such that it is always initialized before it is used in the "get_env_paths" function, by moving it from the global scope to inside that function.  This change allows UHD_STATIC_BLOCK(load_modules) to work correctly.
Merge pull request #192 from EttusResearch/mdickens/static_load_fix

utils: fix declaration of "env_path_sep" such that it is always initiali...
utils: fix declaration of "env_path_sep" such that it is always initialized before it is used in the "get_env_paths" function, by moving it from the global scope to inside that function.  This change allows UHD_STATIC_BLOCK(load_modules) to work correctly.
Merge branch 'maint'