upgrade lpeg to 1.1.0 (#1766)

* upgrade lpeg to 1.1.0

* fix lpeg compiler error

3rd/lpeg/makefile

@@ -2,7 +2,7 @@ LIBNAME = lpeg
 LUADIR = ../lua/
 
 COPT = -O2 -DNDEBUG
-# COPT = -g
+# COPT = -O0 -DLPEG_DEBUG -g
 
 CWARNS = -Wall -Wextra -pedantic \
 	-Waggregate-return \
@@ -11,21 +11,24 @@ CWARNS = -Wall -Wextra -pedantic \
 	-Wdisabled-optimization \
 	-Wpointer-arith \
 	-Wshadow \
+	-Wredundant-decls \
 	-Wsign-compare \
 	-Wundef \
 	-Wwrite-strings \
 	-Wbad-function-cast \
 	-Wdeclaration-after-statement \
 	-Wmissing-prototypes \
+	-Wmissing-declarations \
 	-Wnested-externs \
 	-Wstrict-prototypes \
+	-Wc++-compat \
 # -Wunreachable-code \
 
 
 CFLAGS = $(CWARNS) $(COPT) -std=c99 -I$(LUADIR) -fPIC
 CC = gcc
 
-FILES = lpvm.o lpcap.o lptree.o lpcode.o lpprint.o
+FILES = lpvm.o lpcap.o lptree.o lpcode.o lpprint.o lpcset.o
 
 # For Linux
 linux:
@@ -48,8 +51,9 @@ clean:
 
 
 lpcap.o: lpcap.c lpcap.h lptypes.h
-lpcode.o: lpcode.c lptypes.h lpcode.h lptree.h lpvm.h lpcap.h
-lpprint.o: lpprint.c lptypes.h lpprint.h lptree.h lpvm.h lpcap.h
-lptree.o: lptree.c lptypes.h lpcap.h lpcode.h lptree.h lpvm.h lpprint.h
+lpcode.o: lpcode.c lptypes.h lpcode.h lptree.h lpvm.h lpcap.h lpcset.h
+lpcset.o: lpcset.c lptypes.h lpcset.h lpcode.h lptree.h lpvm.h lpcap.h
+lpprint.o: lpprint.c lptypes.h lpprint.h lptree.h lpvm.h lpcap.h lpcode.h
+lptree.o: lptree.c lptypes.h lpcap.h lpcode.h lptree.h lpvm.h lpprint.h \
+ lpcset.h
 lpvm.o: lpvm.c lpcap.h lptypes.h lpvm.h lpprint.h lptree.h
-