Update Json-c from 0.11 to 0.12

3P/json/.gitignore

@@ -7,6 +7,7 @@
 /autom4te.cache
 /config.guess
 /json_config.h
+/compile
 /config.h
 /config.log
 /config.status
@@ -25,6 +26,7 @@
 /missing
 /stamp-h1
 /stamp-h2
+/test-driver
 /tests/Makefile
 /tests/Makefile.in
 /tests/test1
@@ -37,10 +39,14 @@
 /tests/test_parse_int64
 /tests/test_parse
 /tests/test_cast
+/tests/test_charcase
+/tests/test_locale
 /tests/test_null
 /tests/test_printbuf
 /tests/test_set_serializer
 /tests/*.vg.out
+/tests/*.log
+/tests/*.trs
 /Debug
 /Release
 *.lo