removed useless initializations

lapi.c

@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 2.242 2014/11/02 19:19:04 roberto Exp roberto $
+** $Id: lapi.c,v 2.243 2014/11/12 13:28:54 roberto Exp roberto $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -676,7 +676,7 @@ LUA_API void lua_createtable (lua_State *L, int narray, int nrec) {
 
 LUA_API int lua_getmetatable (lua_State *L, int objindex) {
   const TValue *obj;
-  Table *mt = NULL;
+  Table *mt;
   int res = 0;
   lua_lock(L);
   obj = index2addr(L, objindex);

lobject.c

@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.c,v 2.99 2014/11/04 19:16:25 roberto Exp roberto $
+** $Id: lobject.c,v 2.100 2014/11/21 12:15:57 roberto Exp roberto $
 ** Some generic functions over Lua objects
 ** See Copyright Notice in lua.h
 */
@@ -189,7 +189,7 @@ static lua_Number lua_strx2number (const char *s, char **endptr) {
   int sigdig = 0;  /* number of significant digits */
   int nosigdig = 0;  /* number of non-significant digits */
   int e = 0;  /* exponent correction */
-  int neg = 0;  /* 1 if number is negative */
+  int neg;  /* 1 if number is negative */
   int dot = 0;  /* true after seen a dot */
   *endptr = cast(char *, s);  /* nothing is valid yet */
   while (lisspace(cast_uchar(*s))) s++;  /* skip initial spaces */