ChangeLog: add entry for "init.sh: improve portability and efficiency"

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@@ -81,6 +81,14 @@
 
 2010-02-15  Jim Meyering  <meyering@redhat.com>
 
+       init.sh: improve portability and efficiency
+       * tests/init.sh (find_exe_basenames_): Remove unnecessary use of
+       "dummy" in a for loop.
+       Use '!', not '^' to select the complement of a character set used
+       in a "case" statement.
+       Use shell variable manipulation, a la ${...%.exe}, rather than sed.
+       Suggestions from Eric Blake.
+
        maint.mk: mark syntax-check sc_*.m rules as .PHONY
        * top/maint.mk ($(syntax-check-rules)): Add .PHONY, so that
        "make -t syntax-check" doesn't create a ton of sc_*.m files.