CLIMATE-283: Fix the RCMED Masking Bug *  Added in a check against the values.dtype to make sure the missingdataflag is converted to a compatible type.
CLIMATE-283: Fix the RCMED Masking Bug
*  Added in a check against the values.dtype to make sure the missingdataflag
is converted to a compatible type.

git-svn-id: https://svn.apache.org/repos/asf/incubator/climate/trunk@1521245 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 5be3a6133f4a65e0b45a4e1f66bd0db807840844
agoodm/climate,huikyole/climate,apache/climate,huikyole/climate,pwcberry/climate,Omkar20895/climate,agoodm/climate,MBoustani/climate,kwhitehall/climate,MBoustani/climate,kwhitehall/climate,MJJoyce/climate,lewismc/climate,pwcberry/climate,riverma/climate,MJJoyce/climate,jarifibrahim/climate,agoodm/climate,lewismc/climate,huikyole/climate,Omkar20895/climate,riverma/climate,riverma/climate,pwcberry/climate,MJJoyce/climate,apache/climate,Omkar20895/climate,pwcberry/climate,MBoustani/climate,MJJoyce/climate,lewismc/climate,apache/climate,Omkar20895/climate,huikyole/climate,jarifibrahim/climate,pwcberry/climate,kwhitehall/climate,lewismc/climate,MBoustani/climate,jarifibrahim/climate,agoodm/climate,riverma/climate,riverma/climate,lewismc/climate,apache/climate,agoodm/climate,kwhitehall/climate,MJJoyce/climate,jarifibrahim/climate,jarifibrahim/climate,Omkar20895/climate,huikyole/climate,MBoustani/climate,apache/climate