#3 warning messages when using perl -w

[Eric Safern]

Running pequel with perl -w produces this:

Duplicate specification "inline_MAKE:s" for
option "inline_make"
Duplicate specification "inline_CC:s" for
option "inline_cc"
Duplicate specification "inline_LIBS:s" for
option "inline_libs"
Duplicate specification "inline_CCFLAGS:s" for
option "inline_ccflags"
Duplicate specification "inline_INC:s" for
option "inline_inc"
Duplicate specification "inline_lddlflags:s" for
option "inline_lddlflags"
Duplicate specification "inline_optimize:s" for
option "inline_optimize"