util: automake: beautify sources list

Remove trailing tabs and sort alphabetically.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Vedran Miletić <vedran@miletic.net>
Acked-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>

src/util/Makefile.sources

@@ -1,4 +1,4 @@
-MESA_UTIL_FILES :=	\
+MESA_UTIL_FILES := \
 	bitscan.c \
 	bitscan.h \
 	bitset.h \
@@ -15,7 +15,7 @@ MESA_UTIL_FILES :=	\
 	format_srgb.h \
 	half_float.c \
 	half_float.h \
-	hash_table.c	\
+	hash_table.c \
 	hash_table.h \
 	list.h \
 	macros.h \
@@ -35,8 +35,8 @@ MESA_UTIL_FILES :=	\
 	simple_list.h \
 	slab.c \
 	slab.h \
-	string_to_uint_map.h \
 	string_to_uint_map.cpp \
+	string_to_uint_map.h \
 	strndup.h \
 	strtod.c \
 	strtod.h \