patch 9.1.0386: filetype: stylus files not recognized #126

Job	Run time
macos (tiny, macos-12)	1m 49s
linux (tiny, clang, native)	2m 1s
macos (tiny, macos-14)	45s
windows (HUGE, msvc, no, no, x64, stable)	6m 15s
macos (normal, macos-12)	8m 8s
linux (tiny, gcc, native)	1m 38s
windows (HUGE, mingw, yes, yes, x86, stable, yes)	11m 1s
macos (normal, macos-14)	4m 32s
linux (normal, clang, native)	4m 57s
windows (HUGE, msvc, no, yes, x86)	8m 28s
macos (huge, macos-12)	15m 30s
linux (normal, gcc, native)	5m 6s
windows (HUGE, mingw, yes, no, x64, yes)	9m 52s
macos (huge, macos-14)	12m 48s
linux (huge, clang, native)	9m 38s
windows (NORMAL, msvc, yes, no, x86)	6m 0s
linux (huge, gcc, native)	10m 51s
windows (NORMAL, mingw, no, yes, x64)	8m 44s
linux (tiny, clang, nogui)	1m 49s
windows (TINY, msvc, yes, yes, x64)	2m 2s
linux (tiny, gcc, nogui)	2m 8s
windows (TINY, mingw, no, no, x86)	2m 36s
linux (normal, gcc, i386, ./src/shadow)	5m 53s
linux (huge, gcc, uchar, testgui, true, dynamic)	8m 57s
linux (huge, clang, asan, 5.1)	16m 0s
linux (huge, gcc, unittests, true)	2m 12s
linux (normal, gcc, vimtags)	2m 14s
	2h 51m 54s

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