Fixed as issue where strrchr in LoadBMFont would only look for forward slashes, instead of backslashes causing strlen to fail on a null string

src/text.c

@@ -1406,6 +1406,10 @@ static Font LoadBMFont(const char *fileName)
     char *lastSlash = NULL;
 
     lastSlash = strrchr(fileName, '/');
+	if (lastSlash == NULL)
+	{
+		lastSlash = strrchr(fileName, '\\');
+	}
 
     // NOTE: We need some extra space to avoid memory corruption on next allocations!
     texPath = malloc(strlen(fileName) - strlen(lastSlash) + strlen(texFileName) + 4);