write crashinfo to ~; in /tmp, it won't be written if some other user already has a crashinfo.txt there

stepmania/src/archutils/Unix/CrashHandlerChild.cpp

@@ -401,10 +401,16 @@ static void child_process()
         /* keep going */
     }
 
-    FILE *CrashDump = fopen("/tmp/crashinfo.txt", "w+");
+	const char *home = getenv( "HOME" );
+	CString sCrashInfoPath = "/tmp";
+	if( home )
+		sCrashInfoPath = home;
+	sCrashInfoPath += "/crashinfo.txt";
+
+	FILE *CrashDump = fopen( sCrashInfoPath, "w+" );
 	if(CrashDump == NULL)
 	{
-        fprintf(stderr, "Couldn't open /tmp/crashinfo.txt: %s\n", strerror(errno));
+		fprintf( stderr, "Couldn't open " + sCrashInfoPath + ": %s\n", strerror(errno) );
 		exit(1);
 	}
 
@@ -481,13 +487,13 @@ static void child_process()
     fclose(CrashDump);
 
 #if defined(DARWIN)
-    InformUserOfCrash();
+    InformUserOfCrash( sCrashInfoPath );
 #else
     fprintf(stderr,
             "\n"
             PRODUCT_NAME " has crashed.  Debug information has been output to\n"
             "\n"
-            "    /tmp/crashinfo.txt\n"
+            "    " + sCrashInfoPath + "\n"
             "\n"
             "Please report a bug at:\n"
             "\n"