dep/imgui: Use stb_sprintf

dep/imgui/include/imconfig.h

@@ -76,7 +76,7 @@
 
 //---- Use stb_sprintf.h for a faster implementation of vsnprintf instead of the one from libc (unless IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS is defined)
 // Compatibility checks of arguments and formats done by clang and GCC will be disabled in order to support the extra formats provided by stb_sprintf.h.
-//#define IMGUI_USE_STB_SPRINTF
+#define IMGUI_USE_STB_SPRINTF
 
 //---- Use FreeType to build and rasterize the font atlas (instead of stb_truetype which is embedded by default in Dear ImGui)
 // Requires FreeType headers to be available in the include path. Requires program to be compiled with 'misc/freetype/imgui_freetype.cpp' (in this repository) + the FreeType library (not provided).

dep/imgui/src/imgui.cpp

@@ -2016,6 +2016,7 @@ const char* ImStrSkipBlank(const char* str)
 #ifdef IMGUI_USE_STB_SPRINTF
 #ifndef IMGUI_DISABLE_STB_SPRINTF_IMPLEMENTATION
 #define STB_SPRINTF_IMPLEMENTATION
+#define STB_SPRINTF_STATIC
 #endif
 #ifdef IMGUI_STB_SPRINTF_FILENAME
 #include IMGUI_STB_SPRINTF_FILENAME