jmap: fix incorrect prototype in header documentation.

[ccan] / .gitignore

.depends
*.d
*.o
ccan/*-Makefile
*~
tools/ccan_depends
tools/doc_extract
tools/namespacize
tools/run_tests
tools/ccanlint/ccanlint
tools/ccanlint/generated-compulsory-tests
tools/ccanlint/generated-normal-tests
inter-depends
test-depends
lib-depends
tools/_infotojson/infotojson
tools/ccanlint/test/run-file_analysis
tools/configurator/configurator