Replace errant tabs with spaces in causes.h.

(closes issue ASTERISK-20826)
Reported by: snuffy
Patches:
	notabs.dif uploaded by snuffy (license 5024)
........

Merged revisions 378733 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/11@378734 f38db490-d61c-443f-a65b-d21fe96a405b
Move declaration of ast_regex_string_to_regex_pattern futher down strings.h.

The prior location is before the declaration of struct ast_str, which causes
compiler warnings.

(closes issue ASTERISK-20852)
Reported by: Pavel Troller
Patches:
	strings.diff uploaded by Pavel Troller (license 6302)


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/11@378747 f38db490-d61c-443f-a65b-d21fe96a405b