[base] Fix memory leak (#58611).

* src/base/ftobjs.c (FT_New_Size): When the call to `clazz->init_size'
fails, make sure to free `size->internal'.

ChangeLog

@@ -1,3 +1,10 @@
+2020-06-19  Sebastian Rasmussen  <sebras@gmail.com>
+
+	[base] Fix memory leak (#58611).
+
+	* src/base/ftobjs.c (FT_New_Size): When the call to `clazz->init_size'
+	fails, make sure to free `size->internal'.
+
 2020-06-19  Sebastian Rasmussen  <sebras@gmail.com>
 
 	[cff] Fix memory leak (#58610).

src/base/ftobjs.c

@@ -2857,6 +2857,7 @@
     if ( error )
     {
       FT_FREE( node );
+      FT_FREE( size->internal );
       FT_FREE( size );
     }