Make Widget:filters public

The method Widget:filters is made public in this commit as it is used by
many children classes implementing it and having it package protected
prevents the children outside the package to use it.

Author: amartya4256

bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Widget.java

@@ -870,7 +870,7 @@ NSRect expansionFrameWithFrame_inView(long id, long sel, NSRect cellRect, long v
 	return result;
 }
 
-boolean filters (int eventType) {
+public boolean filters (int eventType) {
 	return display.filters (eventType);
 }
 

bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Widget.java

@@ -1194,7 +1194,7 @@ long filterProc(long xEvent, long gdkEvent, long data2) {
 	return 0;
 }
 
-boolean filters (int eventType) {
+public boolean filters (int eventType) {
 	return display.filters (eventType);
 }
 

bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Widget.java

@@ -510,7 +510,7 @@ void error (int code) {
 	SWT.error(code);
 }
 
-boolean filters (int eventType) {
+public boolean filters (int eventType) {
 	return display.filters (eventType);
 }