gmond: complete fix from r1420 for value_to_str
gmond: complete fix from r1420 for value_to_str

  gmond.c:1380: warning: enumeration value 'gmetadata_full' not handled in switch
  gmond.c:1380: warning: enumeration value 'gmetadata_request' not handled in switch

reverts original commit to restore switch default and fallback for 
missing options


lawrencewu/monitor-core,mjzhou/monitor-core,mjzhou/monitor-core,NoodlesNZ/monitor-core,phreakocious/monitor-core,ganglia/monitor-core,sdgdsffdsfff/monitor-core,sdgdsffdsfff/monitor-core,torkelsson/monitor-core,fastly/monitor-core,mjzhou/monitor-core,fastly/monitor-core,fastly/monitor-core,lawrencewu/monitor-core,dmourati/monitor-core,sdgdsffdsfff/monitor-core,fastly/monitor-core,fastly/monitor-core,hinesmr/monitor-core,dmourati/monitor-core,mjzhou/monitor-core,lawrencewu/monitor-core,ganglia/monitor-core,hinesmr/monitor-core,lawrencewu/monitor-core,NoodlesNZ/monitor-core,torkelsson/monitor-core,ganglia/monitor-core,ganglia/monitor-core,lawrencewu/monitor-core,hinesmr/monitor-core,NoodlesNZ/monitor-core,torkelsson/monitor-core,fastly/monitor-core,torkelsson/monitor-core,torkelsson/monitor-core,phreakocious/monitor-core,ganglia/monitor-core,mjzhou/monitor-core,NoodlesNZ/monitor-core,phreakocious/monitor-core,fastly/monitor-core,sdgdsffdsfff/monitor-core,mjzhou/monitor-core,hinesmr/monitor-core,torkelsson/monitor-core,NoodlesNZ/monitor-core,ganglia/monitor-core,dmourati/monitor-core,dmourati/monitor-core,sdgdsffdsfff/monitor-core,NoodlesNZ/monitor-core,phreakocious/monitor-core,dmourati/monitor-core,hinesmr/monitor-core,ganglia/monitor-core,sdgdsffdsfff/monitor-core,lawrencewu/monitor-core,phreakocious/monitor-core,phreakocious/monitor-core,phreakocious/monitor-core,lawrencewu/monitor-core,NoodlesNZ/monitor-core,dmourati/monitor-core,torkelsson/monitor-core,mjzhou/monitor-core,sdgdsffdsfff/monitor-core,ganglia/monitor-core