Minor cleanup for command-line processing
Minor cleanup for command-line processing

Continued background effort to straighten out the code
for the command-line processsor.  Minor changes to the
primary control structure for looping over the command
line options.

Compiled: clang on STD   gcc on STD/LLVM
Tested:   ran paratest
Review:   none



git-svn-id: 88467cb1fb04b8a755be7e1ee1026be4190196ef@23688 3a8e244f-b0f2-452b-bcba-4c88e055c3ca

hildeth/chapel,chizarlicious/chapel,sungeunchoi/chapel,chizarlicious/chapel,sungeunchoi/chapel,sungeunchoi/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,hildeth/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,chizarlicious/chapel,CoryMcCartan/chapel,chizarlicious/chapel,chizarlicious/chapel,sungeunchoi/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,hildeth/chapel,sungeunchoi/chapel,sungeunchoi/chapel,hildeth/chapel,hildeth/chapel,hildeth/chapel,chizarlicious/chapel,CoryMcCartan/chapel,chizarlicious/chapel,hildeth/chapel