Added include path in CMakeLists.txt file
Fixup for 4ce9b2ea -> typedef in hash.h was buggy
Convert comment blocks to ISO-C90 compatible comments
Fixup for ecca9223 - comment block in hash.h was non-ISOC90
Added missing include in avl.h : util/attributes.h
Fixup for 574b86db - rs_hash is not a struct
Fixup for 6da0e8e9 - variable name
Fixup for 240403bd - return type of function