git: 48c9377ca7b3 - main - lang/gnu-apl: unbreak the build on recent -CURRENT (clang 13.0.0)

The branch main has been updated by danfe:

URL: https://cgit.FreeBSD.org/ports/commit/?id=48c9377ca7b39b76f1e13688d4fa82d2948643a7

commit 48c9377ca7b39b76f1e13688d4fa82d2948643a7
Author:     Alexey Dokuchaev <danfe@FreeBSD.org>
AuthorDate: 2021-11-26 18:47:16 +0000
Commit:     Alexey Dokuchaev <danfe@FreeBSD.org>
CommitDate: 2021-11-26 18:47:16 +0000

    lang/gnu-apl: unbreak the build on recent -CURRENT (clang 13.0.0)
    
      Bif_F12_FORMAT.cc:579:5: error: variable 'sum' set but not used
      [-Werror,-Wunused-but-set-variable]
      int sum = 0;
          ^
      1 error generated.
    
    Obtained from:  upstream SVN r1498
    Reported by:    pkg-fallout
---
 lang/gnu-apl/files/patch-src_Bif__F12__FORMAT.cc | 26 ++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/lang/gnu-apl/files/patch-src_Bif__F12__FORMAT.cc b/lang/gnu-apl/files/patch-src_Bif__F12__FORMAT.cc
new file mode 100644
index 000000000000..4b0e42412817
--- /dev/null
+++ b/lang/gnu-apl/files/patch-src_Bif__F12__FORMAT.cc
@@ -0,0 +1,26 @@
+--- src/Bif_F12_FORMAT.cc.orig	2019-06-23 12:39:20 UTC
++++ src/Bif_F12_FORMAT.cc
+@@ -576,18 +576,17 @@ right_decorator:   /// the right decorator
+ 
+ fields_done:
+ 
+-int sum = 0;
+-   sum += left_deco.out_len = left_deco .format.size();
++   left_deco.out_len = left_deco.format.size();
+ 
+-   sum += int_part  .out_len = int_part  .format.size();
++   int_part.out_len = int_part.format.size();
+ 
+    if (fract_part.format.size())
+-      sum += fract_part.out_len = fract_part.format.size() + 1;
++      fract_part.out_len = fract_part.format.size() + 1;
+ 
+    if (exponent.size())
+       {
+-        sum += expo_deco.out_len = expo_deco.size();
+-        sum += exponent.out_len = exponent.format.size() + 1;
++        expo_deco.out_len = expo_deco.size();
++        exponent.out_len = exponent.format.size() + 1;
+       }
+ 
+    right_deco.out_len = right_deco.format.size();