Update SIGNATURES (#137)

bderiso · Widdershin · commit 47a6a2be5761 · 2019-09-09T14:03:00.000+12:00
diff --git a/SIGNATURES b/SIGNATURES
@@ -77,3 +77,4 @@ eda-ricercatore 2907a647eb73b45fb3e850e0129d8713d897aa58
 cfhughes d94ed018a34300b178d7a772cc2ca614f7ebb3c5
 makeworld-the-better-one d2793267bd5b0cfe3a44e5c6d33346a17c9830e2
 longnguyen2306 8dc23b48141ebb0c3a969eb788eb8dbff6be0cd7
+bderiso 138c4ac23c855e7b5f60e8f09d9151714aaa114e
