MultiSelect: Tweak debug log to print decimal+hex values for item data.

Struggled to get standard PRIX64 to work on CI.
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 4833672..9ccb63d 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -70,6 +70,7 @@
 #pragma clang diagnostic ignored "-Wfloat-equal"                    // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants (typically 0.0f) is ok.
 #pragma clang diagnostic ignored "-Wformat-nonliteral"              // warning: format string is not a string literal            // passing non-literal to vsnformat(). yes, user passing incorrect format strings can crash the code.
 #pragma clang diagnostic ignored "-Wsign-conversion"                // warning: implicit conversion changes signedness
+#pragma clang diagnostic ignored "-Wunused-macros"                  // warning: macro is not used                                // we define snprintf/vsnprintf on Windows so they are available, but not always used.
 #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"  // warning: zero as null pointer constant                    // some standard header variations use #define NULL 0
 #pragma clang diagnostic ignored "-Wdouble-promotion"               // warning: implicit conversion from 'float' to 'double' when passing argument to function  // using printf() is a misery with this as C++ va_arg ellipsis changes float to double.
 #pragma clang diagnostic ignored "-Wenum-enum-conversion"           // warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_')
@@ -7128,7 +7129,7 @@
     ImGuiContext& g = *GImGui;
     if (data->RequestClear)     IMGUI_DEBUG_LOG_SELECTION("[selection] %s: RequestClear\n", function);
     if (data->RequestSelectAll) IMGUI_DEBUG_LOG_SELECTION("[selection] %s: RequestSelectAll\n", function);
-    if (data->RequestSetRange)  IMGUI_DEBUG_LOG_SELECTION("[selection] %s: RequestSetRange %p..%p = %d (dir %+d)\n", function, (void*)data->RangeSrcItem, (void*)data->RangeDstItem, data->RangeSelected, data->RangeDirection);
+    if (data->RequestSetRange)  IMGUI_DEBUG_LOG_SELECTION("[selection] %s: RequestSetRange %" IM_PRId64 "..%" IM_PRId64 " (0x%" IM_PRIX64 "..0x%" IM_PRIX64 ") = %d (dir %+d)\n", function, data->RangeSrcItem, data->RangeDstItem, data->RangeSrcItem, data->RangeDstItem, data->RangeSelected, data->RangeDirection);
 }
 
 // Return ImGuiMultiSelectIO structure. Lifetime: valid until corresponding call to EndMultiSelect().
@@ -7459,8 +7460,8 @@
     if (!is_active) { PopStyleColor(); }
     if (!open)
         return;
-    Text("RangeSrcItem = %p, RangeSelected = %d", (void*)storage->RangeSrcItem, storage->RangeSelected);
-    Text("NavIdData = %p, NavIdSelected = %d", (void*)storage->NavIdItem, storage->NavIdSelected);
+    Text("RangeSrcItem = %" IM_PRId64 " (0x%" IM_PRIX64 "), RangeSelected = %d", storage->RangeSrcItem, storage->RangeSrcItem, storage->RangeSelected);
+    Text("NavIdItem = %" IM_PRId64 " (0x%" IM_PRIX64 "), NavIdSelected = %d", storage->NavIdItem, storage->NavIdItem, storage->NavIdSelected);
     TreePop();
 #else
     IM_UNUSED(storage);