Fix C++ shebang parsing.
Fix C++ shebang parsing.

1. Quoted `"${comp[@]}"`, so we can handle file names with spaces.

2. Removed an extraneous `break` keyword. That `break` was preventing
   the us from ever parsing the executed script's file name.

ryanmjacobs/c,ryanmjacobs/c,ryanmjacobs/c,ryanmjacobs/c