editorconfig-core-c: upgrade 0.12.5 -> 0.12.6

Changelog:
=========
    Fix potential buffer overflow in ec_glob (openembedded#87)
    Add simple installation steps for Fedora (openembedded#79)
    Update property key, value length limits per spec change (16d1d92)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/editorconfig/editorconfig-core-c_0.12.5.bb → meta-oe/recipes-devtools/editorconfig/editorconfig-core-c_0.12.6.bb

@@ -7,7 +7,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=f515fff3ea0a2b9797eda60d83c0e5ca"
 SRC_URI = "git://github.com/editorconfig/editorconfig-core-c.git;protocol=https;branch=master"
 
 S = "${WORKDIR}/git"
-SRCREV = "f6b0ca395149b5a2fbd56a488cae30306a58170f"
+SRCREV = "b7837029494c03af5ea70ed9d265e8c2123bff53"
 
 inherit cmake