fix screenshot paths

Source/capture.cpp

@@ -134,27 +134,17 @@ BYTE *CaptureEnc(BYTE *src, BYTE *dst, int width)
 
 HANDLE CaptureFile(char *dst_path)
 {
-	BOOLEAN num_used[100];
-	int free_num, hFind;
-	struct _finddata_t finder;
-
-	memset(num_used, FALSE, sizeof(num_used));
-	hFind = _findfirst("screen??.PCX", &finder);
-	if (hFind != -1) {
-		do {
-			if (isdigit(finder.name[6]) && isdigit(finder.name[7])) {
-				free_num = 10 * (finder.name[6] - '0');
-				free_num += (finder.name[7] - '0');
-				num_used[free_num] = TRUE;
-			}
-		} while (_findnext(hFind, &finder) == 0);
-	}
+	int len = GetModuleFileNameA(ghInst, dst_path, MAX_PATH);
 
-	for (free_num = 0; free_num < 100; free_num++) {
-		if (!num_used[free_num]) {
-			sprintf(dst_path, "screen%02d.PCX", free_num);
+	for (int i = 0; i <= 99; i++) {
+		sprintf(&dst_path[len], "screen%02d.PCX", i);
+		FILE *file = fopen(dst_path, "r");
+
+		if (file == NULL) {
 			return CreateFile(dst_path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
 		}
+
+		fclose(file);
 	}
 
 	return INVALID_HANDLE_VALUE;