Add alloc_string to lm_dll.h hooks.
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Changes in libmojave/cutil:
+2 -1 lm_dll.c
+2 -1 lm_dll.h
+2 -0 lm_dll_hooks.h
A hyperlinked version of this commit is available at
http://svn.metaprl.org/commitlogs/libmojave/2008-05.html#08/05/26.19:30:47