Move C++ files from .c suffix to .cc suffix

mount.c  -> mount.cc
  dbus.c   -> dbus.cc
  rule.c   -> rule.cc
  signal.c -> signal.cc
  ptrace.c -> ptrace.cc

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Steve Beattie <steve@nxnw.org>

parser/Makefile

@@ -79,8 +79,8 @@ EXTRA_CFLAGS+=-DSUBDOMAIN_CONFDIR=\"${CONFDIR}\"
 SRCS = parser_common.c parser_include.c parser_interface.c parser_lex.c \
        parser_main.c parser_misc.c parser_merge.c parser_symtab.c \
        parser_yacc.c parser_regex.c parser_variable.c parser_policy.c \
-       parser_alias.c mount.c dbus.c lib.c profile.cc rule.c common_optarg.c \
-       signal.c ptrace.c
+       parser_alias.c common_optarg.c lib.c \
+       mount.cc dbus.cc profile.cc rule.cc signal.cc ptrace.cc
 HDRS = parser.h parser_include.h immunix.h mount.h dbus.h lib.h profile.h \
        rule.h common_optarg.h signal.h ptrace.h
 TOOLS = apparmor_parser