package/cjson: security bump to version 1.7.12

Fix infinite loop in cJSON_Minify (potential Denial of Service), see
https://github.com/DaveGamble/cJSON/issues/354

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/cjson/cjson.hash

@@ -1,3 +1,3 @@
 # Locally computed:
-sha256 17ace0e31ebd639906983b05fe1d51576b948ca5411c2162f55dd34c122162ca  cjson-v1.7.11.tar.gz
+sha256 760687665ab41a5cff9c40b1053c19572bcdaadef1194e5cba1b5e6f824686e7  cjson-v1.7.12.tar.gz
 sha256 a36dda207c36db5818729c54e7ad4e8b0c6fba847491ba64f372c1a2037b6d5c  LICENSE

package/cjson/cjson.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-CJSON_VERSION = v1.7.11
+CJSON_VERSION = v1.7.12
 CJSON_SITE = $(call github,DaveGamble,cjson,$(CJSON_VERSION))
 CJSON_INSTALL_STAGING = YES
 CJSON_LICENSE = MIT