Pull sfparse via git submodule

Author: tatsuhiro-t

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "tests/munit"]
 	path = tests/munit
 	url = https://github.com/ngtcp2/munit
+[submodule "lib/sfparse"]
+	path = lib/sfparse
+	url = https://github.com/ngtcp2/sfparse

lib/CMakeLists.txt

@@ -60,7 +60,7 @@ set(nghttp3_SOURCES
   nghttp3_opl.c
   nghttp3_objalloc.c
   nghttp3_unreachable.c
-  sfparse.c
+  sfparse/sfparse.c
 )
 
 # Public shared library

lib/Makefile.am

@@ -23,7 +23,7 @@
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 SUBDIRS = includes
 
-EXTRA_DIST = CMakeLists.txt
+EXTRA_DIST = CMakeLists.txt sfparse/COPYING
 
 AM_CFLAGS = $(WARNCFLAGS) $(DEBUGCFLAGS) $(EXTRACFLAG)
 AM_CPPFLAGS = -I$(srcdir)/includes -I$(builddir)/includes -DBUILDING_NGHTTP3
@@ -63,7 +63,7 @@ OBJECTS = \
 	nghttp3_opl.c \
 	nghttp3_objalloc.c \
 	nghttp3_unreachable.c \
-	sfparse.c
+	sfparse/sfparse.c
 HFILES = \
 	nghttp3_rcbuf.h \
 	nghttp3_mem.h \
@@ -91,7 +91,7 @@ HFILES = \
 	nghttp3_opl.h \
 	nghttp3_objalloc.h \
 	nghttp3_unreachable.h \
-	sfparse.h \
+	sfparse/sfparse.h \
 	nghttp3_macro.h
 
 libnghttp3_la_SOURCES = $(HFILES) $(OBJECTS)

lib/nghttp3_http.c

@@ -32,7 +32,7 @@
 #include "nghttp3_macro.h"
 #include "nghttp3_conv.h"
 #include "nghttp3_unreachable.h"
-#include "sfparse.h"
+#include "sfparse/sfparse.h"
 
 static uint8_t downcase(uint8_t c) {
   return 'A' <= c && c <= 'Z' ? (uint8_t)(c - 'A' + 'a') : c;