Break up too long string literals (>509 characters, ISO C's minimum max size).

servers/slapd/aclparse.c

@@ -1288,7 +1288,7 @@ str2accessmask( const char *str )
 static void
 acl_usage( void )
 {
-	fprintf( stderr, "\n"
+	fprintf( stderr, "%s%s\n",
 		"<access clause> ::= access to <what> "
 				"[ by <who> <access> [ <control> ] ]+ \n"
 		"<what> ::= * | [dn[.<dnstyle>]=<DN>] [filter=<filter>] [attrs=<attrlist>]\n"
@@ -1297,7 +1297,7 @@ acl_usage( void )
 		"<who> ::= [ * | anonymous | users | self | dn[.<dnstyle>]=<DN> ]\n"
 			"\t[dnattr=<attrname>]\n"
 			"\t[group[/<objectclass>[/<attrname>]][.<style>]=<group>]\n"
-			"\t[peername[.<style>]=<peer>] [sockname[.<style>]=<name>]\n"
+			"\t[peername[.<style>]=<peer>] [sockname[.<style>]=<name>]\n",
 			"\t[domain[.<style>]=<domain>] [sockurl[.<style>]=<url>]\n"
 #ifdef SLAPD_ACI_ENABLED
 			"\t[aci=<attrname>]\n"

servers/slapd/schemaparse.c

@@ -214,20 +214,20 @@ oc_usage( void )
 static void
 at_usage( void )
 {
-	fprintf( stderr,
+	fprintf( stderr, "%s%s%s",
 		"AttributeTypeDescription = \"(\" whsp\n"
 		"  numericoid whsp      ; AttributeType identifier\n"
 		"  [ \"NAME\" qdescrs ]             ; name used in AttributeType\n"
 		"  [ \"DESC\" qdstring ]            ; description\n"
 		"  [ \"OBSOLETE\" whsp ]\n"
 		"  [ \"SUP\" woid ]                 ; derived from this other\n"
-		"                                   ; AttributeType\n"
+		"                                   ; AttributeType\n",
 		"  [ \"EQUALITY\" woid ]            ; Matching Rule name\n"
 		"  [ \"ORDERING\" woid ]            ; Matching Rule name\n"
 		"  [ \"SUBSTR\" woid ]              ; Matching Rule name\n"
 		"  [ \"SYNTAX\" whsp noidlen whsp ] ; see section 4.3\n"
 		"  [ \"SINGLE-VALUE\" whsp ]        ; default multi-valued\n"
-		"  [ \"COLLECTIVE\" whsp ]          ; default not collective\n"
+		"  [ \"COLLECTIVE\" whsp ]          ; default not collective\n",
 		"  [ \"NO-USER-MODIFICATION\" whsp ]; default user modifiable\n"
 		"  [ \"USAGE\" whsp AttributeUsage ]; default userApplications\n"
 		"                                   ; userApplications\n"