Use correct number of dimension names in Xspress3ExternalFileReference#175

Juan Marulanda (jmaruland) wants to merge 4 commits into

NSLS2:mainNSLS2/nslsii:mainfrom

jmaruland:optimize-initialization-of-Xspress3ExternalFileReferencejmaruland/nslsii:optimize-initialization-of-Xspress3ExternalFileReferenceCopy head branch name to clipboard