Adds proper link flag to the example recipe

Signed-off-by: lb1107039128 <liubo1@xfusion.com>

0001-Adds-proper-link-flag-to-the-example-recipe.patch

@@ -0,0 +1,25 @@
+From e8b944c34889cccc2d3c14db9c0b0cd4651d6dd4 Mon Sep 17 00:00:00 2001
+From: Smokie <29041430+smokes@users.noreply.github.com>
+Date: Tue, 1 Dec 2020 16:42:34 +0100
+Subject: [PATCH] Adds proper link flag to the example recipe
+
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index ae8f896..dca4115 100644
+--- a/Makefile
++++ b/Makefile
+@@ -93,7 +93,7 @@ cargo:
+ 	cargo test
+ 
+ example: example.c lodepng.h lodepng.c $(STATICLIB)
+-	$(CC) -g $(CFLAGS) -Wall example.c $(STATICLIB) -o example
++	$(CC) -g $(CFLAGS) -Wall example.c $(STATICLIB) -o example -lm
+ 
+ lodepng.h:
+ 	curl -o lodepng.h -L https://raw.githubusercontent.com/lvandeve/lodepng/master/lodepng.h
+-- 
+2.42.0.windows.2
+

libimagequant.spec

@@ -1,12 +1,13 @@
 Name:           libimagequant
 Version:        2.13.1
-Release:        1
+Release:        2
 Summary:        Palette quantization library
 License:        GPLv3+ and MIT
 URL:            https://github.com/ImageOptim/libimagequant
 Source0:        %{url}/archive/%{version}/%{name}-%{version}.tar.gz
 
 Patch0000:      libimagequant_solibperm.patch
+Patch0001:      0001-Adds-proper-link-flag-to-the-example-recipe.patch
 
 %description
 The portable C library can convert RGBA images into
@@ -45,6 +46,9 @@ rm -f %{buildroot}%{_libdir}/%{name}.a
 %{_libdir}/pkgconfig/imagequant.pc
 
 %changelog
+* Thu Dec 28 2023 liubo <liubo1@xfusion.com> - 2.13.1-2
+- Adds proper link flag to the example recipe
+
 * Wed Mar 03 2021 hanhui<hanhui15@huawei.com> - 2.13.1-1
 - update to 2.13.1