Bug 65031 [Preferences] Local History preference page doesn't use dialog font
RC1 see attached screen shot
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/FileStatesPage.java
setErrorMessage(
				IDEWorkbenchMessages.format(
					"FileHistory.aboveMaxEntries", 
					new String[] { String.valueOf(FILE_STATES_MAXIMUM)}));
			return FAILED_VALUE;
		}
		return maxFileStates;
	}
	/**
	 * Validate the maximum file state size.
	 * Return the value if successful, otherwise
	 * return FAILED_VALUE.
	 * Set the error message if it fails.
	 * @return long
	 */
	private long validateMaxFileStateSize() {
		long maxFileStateSize = validateLongTextEntry(this.maxStateSizeText);
		if (maxFileStateSize == FAILED_VALUE)
			return maxFileStateSize;
		if (maxFileStateSize > STATE_SIZE_MAXIMUM) {
			setErrorMessage(
				IDEWorkbenchMessages.format(
					"FileHistory.aboveMaxFileSize", 
					new String[] { String.valueOf(STATE_SIZE_MAXIMUM)}));
			return FAILED_VALUE;
		}
		return maxFileStateSize;
	}
}