Cannot wrap "Vips" library

[Junker]

 (gir-wrapper:define-gir-namespace "Vips")

error:

; in: GOBJECT-INTROSPECTION-WRAPPER:DEFINE-GIR-NAMESPACE "Vips"
;     (SB-INT:NAMED-LAMBDA COL-SRGB2SCRGB-16
;         (R G B R G B)
;       (BLOCK COL-SRGB2SCRGB-16
;         (GIR:INVOKE (*NS* 'COL-SRGB2SCRGB-16) R G B R G B)))
; 
; caught ERROR:
;   The variable R occurs more than once in the lambda list.

[bohonghuang]

I fixed this in commit 886e041. Thank you for the report.