Both signs are written in A on the saff, what further hindered the legibility of the faint hairpins. As a result GC (→GE), FE overlooked them, and EE imprecisely reproduced the first sign only.
Compare the passage in the sources »
category imprint: Differences between sources; Source & stylistic information
issues: EE revisions, Inaccuracies in FE, Unclear hairpins in A, Inaccuracies in GC
notation: Articulation, Accents, Hairpins