imake: update to 1.0.9.

Alan Coopersmith (11):
      Build xz tarballs instead of bzip2
      gitlab CI: add a basic build test
      Fix spelling/wording issues
      Use AC_CONFIG_FILES to replace the deprecated AC_OUTPUT with parameters
      Fix -Wsign-compare warnings
      Fix -Wshadow warnings
      Make Emalloc() argument a size_t to match malloc()
      Simplify HAVE_MKSTEMP block
      unifdef SIGNALRETURNSINT
      Add .git-blame-ignore-revs to hide whitespace commits from git blame
      imake 1.0.9

Emil Velikov (1):
      autogen.sh: use quoted string variables

Peter Hutterer (1):
      autogen.sh: use exec instead of waiting for configure to finish

(wiz)