Switch loader to libtool

(it only works on platforms where libtool works anyway)

configure.ac

@@ -4970,11 +4970,11 @@ AM_CONDITIONAL(LOADER, [test "${enable_loader}" = "yes"])
 AS_IF([test "${enable_loader}" = "yes"],
   [ VLC_ADD_PLUGINS([dmo quicktime])
     VLC_ADD_CPPFLAGS([dmo],[-I../../../@top_srcdir@/loader])
-    VLC_ADD_LDFLAGS([dmo],[../../../loader/libloader.a])
+    VLC_ADD_LDFLAGS([dmo],[../../../loader/libloader.la])
     VLC_ADD_CPPFLAGS([quicktime],[-I../../@top_srcdir@/loader])
-    VLC_ADD_LDFLAGS([quicktime],[../../loader/libloader.a])
+    VLC_ADD_LDFLAGS([quicktime],[../../loader/libloader.la])
     VLC_ADD_CPPFLAGS([realaudio],[-I../../@top_srcdir@/loader -DLOADER])
-    VLC_ADD_LDFLAGS([realaudio],[../../loader/libloader.a])
+    VLC_ADD_LDFLAGS([realaudio],[../../loader/libloader.la])
   ])
 
 dnl

loader/Makefile.am

@@ -10,7 +10,7 @@
 #
 
 if LOADER
-noinst_LIBRARIES = libloader.a
+noinst_LTLIBRARIES = libloader.la
 endif
 
 # TODO: real check for vsscanf() and <sys/mmap.h>
@@ -27,7 +27,7 @@ noinst_HEADERS = com.h driver.h ext.h ldt_keeper.h loader.h registry.h \
 	wine/vfw.h wine/winbase.h wine/windef.h wine/winerror.h \
 	wine/winestring.h wine/winnt.h wine/winreg.h wine/winuser.h
 
-libloader_a_SOURCES = ldt_keeper.c pe_image.c module.c ext.c win32.c \
+libloader_la_SOURCES = ldt_keeper.c pe_image.c module.c ext.c win32.c \
 	driver.c pe_resource.c resource.c registry.c afl.c vfl.c \
 	wrapper.S stubs.s kludge.c