TCI - fixed warning

Added missing package export (SPI package)

Change-Id: Iea970e170988c82f5f11b1b32aab9e20f7e18c61
Signed-off-by: Jonas Helming <jhelming@eclipsesource.com>
diff --git a/bundles/org.eclipse.emfforms.swt.control.text.richtext/META-INF/MANIFEST.MF b/bundles/org.eclipse.emfforms.swt.control.text.richtext/META-INF/MANIFEST.MF
index 53012fd..093a347 100644
--- a/bundles/org.eclipse.emfforms.swt.control.text.richtext/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.emfforms.swt.control.text.richtext/META-INF/MANIFEST.MF
@@ -4,7 +4,8 @@
 Bundle-SymbolicName: org.eclipse.emfforms.swt.control.text.richtext;singleton:=true
 Bundle-Version: 1.11.0.qualifier
 Bundle-Vendor: Eclipse Modeling Project
-Export-Package: org.eclipse.emfforms.internal.swt.control.text.richtext.renderer;version="1.11.0";x-internal:=true
+Export-Package: org.eclipse.emfforms.internal.swt.control.text.richtext.renderer;version="1.11.0";x-internal:=true,
+ org.eclipse.emfforms.spi.swt.control.text.richtext.renderer;version="1.11.0"
 Require-Bundle: org.eclipse.emf.ecp.view.core.swt;bundle-version="[1.11.0,1.12.0)",
  org.eclipse.emfforms.core.services;bundle-version="[1.11.0,1.12.0)",
  org.eclipse.emf.ecp.view.context;bundle-version="[1.11.0,1.12.0)",