move remaining got_opentemp's out of blame. ok op@

move got_opentempfd out of blame_open ok stsp@ jrick@

move got_opentempfd out of open_blob. ok stsp@

inline struct got_object_id in struct got_object_qid Saves us from doing a malloc/free call for every item on the list. ok op@

pass an already open commit object to the blame callback ok op@

stop relying on commit cache for good performance of got_object_id_by_path() Instead of internally opening and closing the same commit object over and over again, require callers to pass an open commit object in. Avoids an inherent dependency on the commit object cache for reasonable performance. ok op@

remove unused variables to fix LLVM 13 warnings; ok stsp

switch from SIMPLEQ to equivalent STAILQ macros The singly-linked tail queue macros were added to OpenBSD 6.9 and are more widely available on other systems. ok stsp

make fclose(3) failure checks consistent; check 'fclose() == EOF' everywhere ok millert, naddy

fix a typo that triggered "munmap: Invalid argument" in got blame on FreeBSD ok stsp

remove redundant lines of code from close_file2_and_reuse_file1()

handle binary files in blame's custom file diff atomizer

implement custom atomizer for blame to reuse data and mappings across commits

remove stdbool.h where it's not needed

fix type of filesize output parameter of got_object_blob_dump_to_file()