Compile error in edk2

[gclawes]

I'm getting this compile error:

make[2]: Entering directory '/home/gclawes/repos/github.com/ipxe/shimdemo/edk2/BaseTools/Source/C/GenFfs'
cc -Wno-stringop-truncation -Wno-stringop-overflow  -c -MD -fshort-wchar -fno-strict-aliasing -Wall -Werror -Wno-deprecated-declarations -Wno-unused-result -nostdlib -c -g  -I .. -I ../Include/Common -I ../Include/ -I ../Include/IndustryStandard -I ../Common/ -I .. -I . -I ../Include/X64/  -O2 GenFfs.c -o GenFfs.o
GenFfs.c: In function ‘GetAlignmentFromFile’:
GenFfs.c:545:5: error: pointer ‘InFileHandle’ used after ‘fclose’ [-Werror=use-after-free]
  545 |     Error(NULL, 0, 4001, "Resource", "memory cannot be allocated  of %s", InFileHandle);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GenFfs.c:544:5: note: call to ‘fclose’ here
  544 |     fclose (InFileHandle);
      |     ^~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [../Makefiles/footer.makefile:27: GenFfs.o] Error 1
make[2]: Leaving directory '/home/gclawes/repos/github.com/ipxe/shimdemo/edk2/BaseTools/Source/C/GenFfs'
make[1]: *** [GNUmakefile:85: GenFfs] Error 2
make[1]: Leaving directory '/home/gclawes/repos/github.com/ipxe/shimdemo/edk2/BaseTools/Source/C'
make: *** [Makefile:40: edk2/BaseTools/Source/C/bin/GenFw] Error 2
rm secboot.siglist secboot.der

I'm on Ubuntu 24.04, the only modification I have made to the repo is this (to fix an issue with /bin/sh):

$ git diff
diff --git a/Makefile b/Makefile
index 9b6fe99..25769f7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,4 @@
+SHELL := /bin/bash
 cn_secboot     = Secure Boot CA
 cn_vendor      = Vendor CA