HDFS-7226. Update CHANGES.txt to indicate fix in 2.6.0.
HDFS-7226. Update CHANGES.txt to indicate fix in 2.6.0.

(cherry picked from commit d026f3676278e24d7032dced5f14b52dec70b987)

myeoje/PhillyYarn,huiyi-learning/hadoop,zjshen/hadoop-in-docker,MjAbuz/hadoop,MjAbuz/hadoop,an3m0na/hadoop,Microsoft-CISL/hadoop-prototype,huiyi-learning/hadoop,zrccxyb62/hadoop,zjshen/hadoop-in-docker,zrccxyb62/hadoop,mix/hadoop,intel-hadoop/hadoop,huiyi-learning/hadoop,huiyi-learning/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop,an3m0na/hadoop,intel-hadoop/hadoop,huiyi-learning/hadoop,mix/hadoop,zrccxyb62/hadoop,zjshen/hadoop-in-docker,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,MjAbuz/hadoop,intel-hadoop/hadoop,an3m0na/hadoop,zjshen/hadoop-in-docker,jokes000/hadoop,intel-hadoop/hadoop,an3m0na/hadoop,hasonhai/hadoop,jokes000/hadoop,mix/hadoop,myeoje/PhillyYarn,huiyi-learning/hadoop,jokes000/hadoop,zjshen/hadoop-in-docker,MjAbuz/hadoop,hasonhai/hadoop,satishpatil2k13/ODPI-Hadoop,zjshen/hadoop-in-docker,myeoje/PhillyYarn,mix/hadoop,satishpatil2k13/ODPI-Hadoop,satishpatil2k13/ODPI-Hadoop,an3m0na/hadoop,mix/hadoop,zrccxyb62/hadoop,MjAbuz/hadoop,satishpatil2k13/ODPI-Hadoop,myeoje/PhillyYarn,satishpatil2k13/ODPI-Hadoop,myeoje/PhillyYarn,an3m0na/hadoop,an3m0na/hadoop,myeoje/PhillyYarn,jokes000/hadoop,satishpatil2k13/ODPI-Hadoop,jokes000/hadoop,myeoje/PhillyYarn,mix/hadoop,mix/hadoop,hasonhai/hadoop,Microsoft-CISL/hadoop-prototype,MjAbuz/hadoop,jokes000/hadoop,hasonhai/hadoop,an3m0na/hadoop,zrccxyb62/hadoop,huiyi-learning/hadoop,hasonhai/hadoop,zjshen/hadoop-in-docker,satishpatil2k13/ODPI-Hadoop,huiyi-learning/hadoop,intel-hadoop/hadoop,hasonhai/hadoop,jokes000/hadoop,Microsoft-CISL/hadoop-prototype,satishpatil2k13/ODPI-Hadoop,intel-hadoop/hadoop,jokes000/hadoop,myeoje/PhillyYarn,Microsoft-CISL/hadoop-prototype,MjAbuz/hadoop,Microsoft-CISL/hadoop-prototype,intel-hadoop/hadoop,Microsoft-CISL/hadoop-prototype,mix/hadoop,zjshen/hadoop-in-docker,hasonhai/hadoop,hasonhai/hadoop