K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2020-03-28T17:02:32.999935Z
K 7
svn:log
V 251
sh: remove duplicate el definition

el is declared extern in myhistedit.h and defined in histedit.c. Remove the
duplicate definition in input.c to appease the -fno-common build.

-fno-common will become the default in GCC10/LLVM11.

MFC after:	3 days

END