Bug 575864 - enforce minimal jface.text version

That is needed for reconsiler bug.

Change-Id: I74a66c378592d7d1395926a0b1f8680036d10036
Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt.ui/+/190792
Tested-by: Andrey Loskutov <loskutov@gmx.de>
Reviewed-by: Andrey Loskutov <loskutov@gmx.de>
diff --git a/org.eclipse.jdt.ui/META-INF/MANIFEST.MF b/org.eclipse.jdt.ui/META-INF/MANIFEST.MF
index 375f409..f5453ec 100644
--- a/org.eclipse.jdt.ui/META-INF/MANIFEST.MF
+++ b/org.eclipse.jdt.ui/META-INF/MANIFEST.MF
@@ -121,7 +121,7 @@
  org.eclipse.compare;bundle-version="[3.5.0,4.0.0)",
  org.eclipse.team.ui;bundle-version="[3.4.100,4.0.0)",
  org.eclipse.team.core;bundle-version="[3.4.100,4.0.0)",
- org.eclipse.jface.text;bundle-version="[3.16.0,4.0.0)",
+ org.eclipse.jface.text;bundle-version="[3.20.0,4.0.0)",
  org.eclipse.ui;bundle-version="[3.117.0,4.0.0)",
  org.eclipse.ui.console;bundle-version="[3.4.0,4.0.0)",
  org.eclipse.ui.workbench.texteditor;bundle-version="[3.10.0,4.0.0)",