* src/SDCCval.c (valForArray): applied Maarteen Brock's patch #947682

* src/SDCCval.c (valForArray): applied Maarteen Brock's patch #947682
which fixes bug #543481
* support/regression/tests/bug-751703.c: fixed comments left from a
cut and paste error
* src/SDCCdwarf2.c (dwCloseFile): don't explicitly close a temp file
* src/SDCCdwarf2.c (dwTagFromType): added bitfield support
* src/SDCCdwarf2.c (dwWriteSymbolInternal): handle extern within local
scopes
* src/SDCCdwarf2.c (dwWriteLineNumber): line number deltas are signed
* src/SDCCmain.c (processFile, parseCmdLine): non-alphanumeric chars
are now	changed to underscores in moduleName

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3317 4a8a32a2-be11-0410-ad9d-d568d2c75423