makefiles: Always use the global SOURCES variable for .in files.

dlls/wineandroid.drv/Makefile.in

@@ -3,18 +3,13 @@ UNIXLIB   = wineandroid.so
 IMPORTS   = ntoskrnl
 UNIX_LIBS = -lwin32u $(PTHREAD_LIBS)
 
-C_SRCS = \
+SOURCES = \
+	build.gradle.in \
 	device.c \
 	dllmain.c \
 	init.c \
 	keyboard.c \
 	opengl.c \
-	window.c
-
-IN_SRCS = \
-	build.gradle.in
-
-SVG_SRCS = \
+	window.c \
 	wine.svg
-
 EXTRA_TARGETS = wine-debug.apk

tools/Makefile.in

 PROGRAMS = \
 	make_xftmpl
 
-C_SRCS = \
-	make_xftmpl.c
-
-IN_SRCS = \
+SOURCES = \
+	make_xftmpl.c \
 	wineapploader.in

tools/make_makefiles

@@ -369,7 +369,8 @@ sub assign_sources_to_makefiles(@)
         }
         elsif ($name =~ /\.in$/)
         {
-            push @{${$make}{"=IN_SRCS"}}, $name;
+            push @{${$make}{"=SOURCES"}}, $name;
+            next;
         }
         elsif ($name =~ /\.spec$/)
         {