libgnt/libgnt

Add an option to disable building the docs
release-2.x.y
2021-09-25, Helmut Grohne
2374624f79fe
Add an option to disable building the docs

Testing Done:
Built with the option on and off.

Bugs closed: LIBGNT-17

Reviewed at https://reviews.imfreedom.org/r/945/
BOOLEAN:VOID
BOOLEAN:STRING
VOID:INT,INT,INT,INT
VOID:INT,INT
VOID:POINTER,POINTER
BOOLEAN:INT,INT
BOOLEAN:INT,INT,INT
BOOLEAN:POINTER,POINTER,POINTER
BOOLEAN:INT,INT,INT,POINTER
VOID:STRING,STRING
VOID:POINTER,BOOLEAN