[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'.
diff --git a/ChangeLog b/ChangeLog
index 326dfce..caaf2ab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 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/cff/cffobjs.c (cff_size_init): When the call to
diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c
index 532a06d..2b4e6bb 100644
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -2857,6 +2857,7 @@
     if ( error )
     {
       FT_FREE( node );
+      FT_FREE( size->internal );
       FT_FREE( size );
     }