[bug#69871] [PATCH v3 2/2] gnu: ntl: Correct license.

[Andreas Enge <andreas@enge.fr>]

* gnu/packages/algebra.scm (ntl)[license]: Set to lgpl2.1+.
[source]: Remove trailing #t in snippet.

Change-Id: Ibfcb520aa7fe71087adf2352b4051185a0d6f11e
---
 gnu/packages/algebra.scm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index c8601e7f78..d997bb9c70 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -528,8 +528,7 @@ (define-public ntl
             (modules '((guix build utils)))
             (snippet
              '(begin
-                (delete-file-recursively "src/libtool-origin")
-                #t))))
+                (delete-file-recursively "src/libtool-origin")))))
    (build-system gnu-build-system)
    (native-inputs
     (list libtool perl)) ; for configuration
@@ -557,7 +556,8 @@ (define-public ntl
     "NTL is a C++ library providing data structures and algorithms
 for manipulating signed, arbitrary length integers, and for vectors,
 matrices, and polynomials over the integers and over finite fields.")
-   (license license:gpl2+)
+   (license license:lgpl2.1+) ; Linking with gf2x makes the distributed
+                              ; binary de facto gpl3+.
    (home-page "https://shoup.net/ntl/")))
 
 (define-public singular
-- 
2.41.0