[Fix] Link lpeg to rspamd lua library

CMakeLists.txt

@@ -486,6 +486,7 @@ INCLUDE_DIRECTORIES("${CMAKE_SOURCE_DIR}/src"
 		"${CMAKE_SOURCE_DIR}/contrib/librdns"
 		"${CMAKE_SOURCE_DIR}/contrib/aho-corasick"
 		"${CMAKE_SOURCE_DIR}/contrib/lc-btrie"
+		"${CMAKE_SOURCE_DIR}/contrib/lpeg"
 		"${CMAKE_BINARY_DIR}/src" #Stored in the binary dir
 		"${CMAKE_BINARY_DIR}/src/libcryptobox")
 

contrib/lpeg/lptree.c

@@ -21,7 +21,7 @@
 /* number of siblings for each tree */
 const byte numsiblings[] = {
   0, 0, 0,	/* char, set, any */
-  0, 0,		/* true, false */	
+  0, 0,		/* true, false */
   1,		/* rep */
   2, 2,		/* seq, choice */
   1, 1,		/* not, and */
@@ -1280,8 +1280,6 @@ static struct luaL_Reg metareg[] = {
   {NULL, NULL}
 };
 
-
-int luaopen_lpeg (lua_State *L);
 int luaopen_lpeg (lua_State *L) {
   luaL_newmetatable(L, PATTERN_T);
   lua_pushnumber(L, MAXBACK);  /* initialize maximum backtracking */

contrib/lpeg/lptree.h

@@ -1,4 +1,4 @@
-/*  
+/*
 ** $Id: lptree.h,v 1.2 2013/03/24 13:51:12 roberto Exp $
 */
 
@@ -6,7 +6,7 @@
 #define lptree_h
 
 
-#include "lptypes.h" 
+#include "lptypes.h"
 
 
 /*
@@ -69,7 +69,7 @@ extern const byte numsiblings[];
 #define sib2(t)         ((t) + (t)->u.ps)
 
 
-
+int luaopen_lpeg (lua_State *L);
 
 
 

src/lua/lua_common.c

@@ -15,6 +15,7 @@
  */
 #include "lua_common.h"
 #include "lua/global_functions.lua.h"
+#include "lptree.h"
 
 /* Lua module init function */
 #define MODULE_INIT_FUNC "module_init"
@@ -242,6 +243,7 @@ rspamd_lua_init ()
 	luaopen_fann (L);
 	luaopen_sqlite3 (L);
 	luaopen_cryptobox (L);
+	luaopen_lpeg (L);
 
 	rspamd_lua_add_preload (L, "ucl", luaopen_ucl);