Fix os-time.h removal

Commit 5058068a actually removed os/os_misc.h from libgallium_la_SOURCES
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

src/gallium/auxiliary/Makefile.am

@@ -58,7 +58,7 @@ libgallium_la_SOURCES = \
 	os/os_memory.h \
 	os/os_memory_stdc.h \
 	os/os_memory_aligned.h \
-	os/os_time.h \
+	os/os_misc.h \
 	os/os_thread.h
 
 util/u_format_table.c: $(srcdir)/util/u_format_table.py $(srcdir)/util/u_format_pack.py $(srcdir)/util/u_format_parse.py $(srcdir)/util/u_format.csv