Bug 85403 [quick assist] convert 'switch' into if-else-if fails if case has block
I20050215-2300 test case: switch (a) { case 1 : { System.out.println("1"); break; } }
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/AdvancedQuickAssistProcessor.java
InfixExpression.Operator.GREATER_EQUALS,
					provider);
			}
			if (operator == InfixExpression.Operator.GREATER) {
				return getInversedInfixBooleanExpression(ast,
					rewrite,
					infixExpression,
					InfixExpression.Operator.LESS_EQUALS,
					provider);
			}
			if (operator == InfixExpression.Operator.LESS_EQUALS) {
				return getInversedInfixBooleanExpression(ast,
					rewrite,
					infixExpression,
					InfixExpression.Operator.GREATER,
					provider);
			}
			if (operator == InfixExpression.Operator.GREATER_EQUALS) {
				return getInversedInfixBooleanExpression(ast,
					rewrite,
					infixExpression,
					InfixExpression.Operator.LESS,
					provider);
			}
			if (operator == InfixExpression.Operator.EQUALS) {
				return getInversedInfixBooleanExpression(ast,
					rewrite,
					infixExpression,
					InfixExpression.Operator.NOT_EQUALS,
					provider);