!17 Add %build section

From: @lizhuocc 
Reviewed-by: @chenwei_kernel 
Signed-off-by: @chenwei_kernel

libyang.spec

@@ -1,6 +1,6 @@
 Name: libyang
 Version: 1.0.184
-Release: 6
+Release: 7
 Summary: YANG data modeling language library
 Url: https://github.com/CESNET/libyang
 Source: %{url}/archive/%{name}-%{version}.tar.gz
@@ -71,6 +71,7 @@ written (and providing API) in C.
 %prep
 %autosetup -n %{name}-%{version} -p1
 
+%build
 mkdir build && cd build
 cmake \
    -DCMAKE_INSTALL_PREFIX:PATH=/usr \
@@ -129,6 +130,9 @@ cp -r doc/html %{buildroot}/%{_docdir}/libyang/html
 %{python3_sitearch}/__pycache__/yang*
 
 %changelog
+* Fri Apr 18 2025 lizhuo <lizhuo@xfusion.com> - 1.0.184-7
+- Add %build section
+
 * Tue Mar 07 2023 zhouwenpei <zhouwenpei@h-partners.com> - 1.0.184-6
 - remove debug_package %{nil} to strip files and provide debug packages