minifi-cpp: Include cstdlib in fmt for free/malloc

This helps in compiling with clang-21

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-extended/minifi-cpp/files/0001-Add-missing-include-for-malloc-free.patch

@@ -0,0 +1,38 @@
+From f01a1ae37d3e502a900b5a6cfa5be217003cf7d4 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Fri, 29 Aug 2025 21:46:26 -0700
+Subject: [PATCH] Add missing include for malloc/free
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ include/fmt/format.h | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/include/fmt/format.h b/include/fmt/format.h
+index 287e7163..0412812f 100644
+--- a/include/fmt/format.h
++++ b/include/fmt/format.h
+@@ -44,6 +44,7 @@
+ #  include <cmath>    // std::signbit
+ #  include <cstddef>  // std::byte
+ #  include <cstdint>  // uint32_t
++#  include <cstdlib>  // std::malloc, std::free
+ #  include <cstring>  // std::memcpy
+ #  include <limits>   // std::numeric_limits
+ #  include <new>      // std::bad_alloc
+@@ -744,12 +745,12 @@ template <typename T> struct allocator {
+ 
+   T* allocate(size_t n) {
+     FMT_ASSERT(n <= max_value<size_t>() / sizeof(T), "");
+-    T* p = static_cast<T*>(malloc(n * sizeof(T)));
++    T* p = static_cast<T*>(std::malloc(n * sizeof(T)));
+     if (!p) FMT_THROW(std::bad_alloc());
+     return p;
+   }
+ 
+-  void deallocate(T* p, size_t) { free(p); }
++  void deallocate(T* p, size_t) { std::free(p); }
+ };
+ 
+ }  // namespace detail

meta-oe/recipes-extended/minifi-cpp/minifi-cpp_0.99.1.bb

@@ -27,6 +27,7 @@ SRC_URI = "git://github.com/apache/nifi-minifi-cpp.git;protocol=https;branch=mai
            file://0006-CMakeLists.txt-do-not-use-ccache.patch \
            file://0007-libsodium-aarch64-set-compiler-attributes-after-including-arm_.patch \
            file://0008-MINIFICPP-2553-CMP0065-OLD-removed-in-cmake-4.0-remo.patch \
+           file://0001-Add-missing-include-for-malloc-free.patch;patchdir=thirdparty/fmt-src \
            file://systemd-volatile.conf \
            file://sysvinit-volatile.conf \
           "