loading: Call module exit function also when not dlclosing module on unload

The proper thing to do.
Does not affect any of the current loaders.

src/lib/loaders.c

@@ -237,6 +237,9 @@ __imlib_ProduceLoader(const char *file)
 static void
 __imlib_ConsumeLoader(ImlibLoader * l)
 {
+   if (l->module->inex)
+      l->module->inex(0);
+
    if (l->module->ldr_flags & LDR_FLAG_KEEP)
      {
         /* Not un/re-loadable - Move to unloaded loaders list */
@@ -245,9 +248,6 @@ __imlib_ConsumeLoader(ImlibLoader * l)
         return;
      }
 
-   if (l->module->inex)
-      l->module->inex(0);
-
    if (l->handle)
       dlclose(l->handle);