Improve FluidSynth library dependency error

src/include/86box/language.h

@@ -106,6 +106,7 @@
 #define IDS_2130	2130		// "Invalid configuration"
 #define IDS_2131	2131		// LIB_NAME_FREETYPE " is required..."
 #define IDS_2132	2132		// LIB_NAME_GS " is required for...
+#define IDS_2133	2133		// LIB_NAME_FLUIDSYNTH " is required..."
 
 #define IDS_4096	4096		// "Hard disk (%s)"
 #define IDS_4097	4097		// "%01i:%01i"

src/sound/midi_fluidsynth.c

@@ -230,7 +230,7 @@ void* fluidsynth_init(const device_t *info)
 #endif
 	if (fluidsynth_handle == NULL)
 	{
-		ui_msgbox(MBX_ERROR, (wchar_t *)IDS_2080);
+		ui_msgbox_header(MBX_ERROR, (wchar_t *) IDS_2080, (wchar_t *) IDS_2133);
 		return NULL;
 	}
 

src/win/86Box.rc

@@ -917,7 +917,7 @@ END
 
 STRINGTABLE DISCARDABLE 
 BEGIN
-    IDS_2080	"Unable to initialize FluidSynth, libfluidsynth.dll is required"
+    IDS_2080	"Unable to initialize FluidSynth"
     IDS_2081	"Bus"
     IDS_2082	"File"
     IDS_2083	"C"
@@ -985,6 +985,12 @@ BEGIN
 #define LIB_NAME_GS "libgs"
 #endif
     IDS_2132	LIB_NAME_GS " is required for automatic conversion of PostScript files to PDF.\n\nAny documents sent to the generic PostScript printer will be saved as PostScript (.ps) files."
+#ifdef _WIN32
+#define LIB_NAME_FLUIDSYNTH "libfluidsynth.dll"
+#else
+#define LIB_NAME_FLUIDSYNTH "libfluidsynth"
+#endif
+    IDS_2133	LIB_NAME_FLUIDSYNTH " is required for FluidSynth MIDI output."
 END
 
 STRINGTABLE DISCARDABLE