Add cross reference to conversions

Author: mborland

doc/modules/ROOT/nav.adoc

@@ -4,7 +4,8 @@
 ** xref:examples.adoc#examples_construction[Basic Construction]
 ** xref:examples.adoc#examples_basic_math[Basic Arithmetic]
 ** xref:examples.adoc#examples_conversions[Conversions]
-*** xref:examples.adoc#examples_binary_floating_conversions[Binary Floating Point]
+*** xref:examples.adoc#examples_integer_conversions[Integer Conversions]
+*** xref:examples.adoc#examples_binary_floating_conversions[Binary Floating Point Conversions]
 ** xref:examples.adoc#examples_promotion[Promotion and Mixed Decimal Arithmetic]
 ** xref:examples.adoc#examples_charconv[`<charconv>`]
 ** xref:examples.adoc#examples_generic_programming[Generic Programming]