gnu: Add nspr@4.32.

Required for icecat/icedove 91.

* gnu/packages/nss.scm (nspr-4.32): New variable.

gnu/packages/nss.scm

@@ -70,6 +70,19 @@ platform-neutral API for system level and libc-like functions.  It is used
 in the Mozilla clients.")
     (license license:mpl2.0)))
 
+(define-public nspr-4.32
+  (package
+    (inherit nspr)
+    (version "4.32")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append
+                   "https://ftp.mozilla.org/pub/mozilla.org/nspr/releases/v"
+                   version "/src/nspr-" version ".tar.gz"))
+             (sha256
+              (base32
+               "0v3zds1id71j5a5si42a658fjz8nv2f6zp6w4gqrqmdr6ksz8sxv"))))))
+
 (define-public nss
   (package
     (name "nss")