Fix off-by-one error when calculating loot drop rates.

Fixes flareteam#1671

RELEASE_NOTES.txt

@@ -6,6 +6,7 @@ Engine fixes:
 * Re-create render context when "ignore_texture_filter" setting changes.
 * Fixed bug where points spent on passive powers would be de-allocated after dying.
 * Prevent upgrading powers with the '+' button while the player is dead.
+* Fix off-by-one error when calculating loot drop rates.
 
 Translation updates:
 

src/LootManager.cpp

@@ -255,7 +255,7 @@ void LootManager::checkLoot(std::vector<EventComponent> &loot_table, FPoint *pos
 	ItemStack new_loot;
 	std::vector<EventComponent*> possible_ids;
 
-	int chance = rand() % 100;
+	int chance = Math::randBetween(1,100);
 
 	// first drop any 'fixed' (0% chance) items
 	for (size_t i = loot_table.size(); i > 0; i--) {

src/Version.cpp

@@ -30,7 +30,7 @@ FLARE.  If not, see https://www.gnu.org/licenses/
 
 #include <SDL.h>
 
-Version VersionInfo::ENGINE(1, 7, 3);
+Version VersionInfo::ENGINE(1, 7, 4);
 Version VersionInfo::MIN(0, 0, 0);
 Version VersionInfo::MAX(USHRT_MAX, USHRT_MAX, USHRT_MAX);