use git-format-patch to extract the patch from git

OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/ffmpeg-6?expand=0&rev=12

ffmpeg-6.spec

@@ -17,6 +17,9 @@
 
 
 %define flavor @BUILD_FLAVOR@%{nil}
+#
+# preamble is present twice, watch out
+#
 %if "%{flavor}" != "ffmpeg-6-mini"
 
 # Create proper conflicts to make sure we require all from one version
@@ -107,7 +110,7 @@ Patch5:         work-around-abi-break.patch
 Patch6:         0001-avfilter-vf_libplacebo-remove-deprecated-field.diff
 Patch10:        ffmpeg-chromium.patch
 Patch91:        ffmpeg-dlopen-openh264.patch
-Patch92:        ffmpeg-x86-mathops.patch
+Patch92:        0001-avcodec-x86-mathops-clip-constants-used-with-shift-i.patch
 
 %if %{with amf_sdk}
 BuildRequires:  AMF-devel
@@ -857,7 +860,7 @@ Patch4:         ffmpeg-4.2-dlopen-fdk_aac.patch
 Patch5:         work-around-abi-break.patch
 Patch10:        ffmpeg-chromium.patch
 Patch91:        ffmpeg-dlopen-openh264.patch
-Patch92:        ffmpeg-x86-mathops.patch
+Patch92:        0001-avcodec-x86-mathops-clip-constants-used-with-shift-i.patch
 BuildRequires:  c_compiler
 Requires:       this-is-only-for-build-envs