-ui/menu.cpp: Avoid floating point equality comparison.

* Fixes pointer input not working on menus at some window sizes in
  32-bit x86 builds.

-leapfrog_leappad_cart.xml: Fixed a description.

hash/leapfrog_leappad_cart.xml

@@ -201,7 +201,7 @@ license:CC0-1.0
 	</software>
 
 	<software name="smartguid4" supported="no">
-		<description>FUN-damentals Series - Smart Guide to 4rd Grade (UK)</description>
+		<description>FUN-damentals Series - Smart Guide to 4th Grade (UK)</description>
 		<year>2002</year>
 		<publisher>LeapFrog</publisher>
 		<info name="serial" value="500-00534"/>

src/frontend/mame/ui/menu.cpp

@@ -27,6 +27,7 @@
 #include "osdepend.h"
 
 #include <cassert>
+#include <cmath>
 #include <cstdlib>
 #include <limits>
 #include <type_traits>
@@ -1930,7 +1931,7 @@ bool menu::check_metrics()
 	render_target &target(render.ui_target());
 	std::pair<uint32_t, uint32_t> const uisize(target.width(), target.height());
 	float const aspect = render.ui_aspect(&container());
-	if ((uisize == m_last_size) && (aspect == m_last_aspect))
+	if ((uisize == m_last_size) && (std::fabs(1.0F - (aspect / m_last_aspect)) < 1e-6F))
 		return false;
 
 	m_last_size = uisize;