move the discord-rpc libs to lib/

Makefile

@@ -450,12 +450,12 @@ GODDARD_O_FILES := $(foreach file,$(GODDARD_C_FILES),$(BUILD_DIR)/$(file:.c=.o))
 RPC_LIBS :=
 ifeq ($(DISCORDRPC),1)
   ifeq ($(WINDOWS_BUILD),1)
-    RPC_LIBS := src/pc/discord/lib/libdiscord-rpc.dll
+    RPC_LIBS := lib/discord/libdiscord-rpc.dll
   else ifeq ($(OSX_BUILD),1) 
     # needs testing
-    RPC_LIBS := src/pc/discord/lib/libdiscord-rpc.dylib
+    RPC_LIBS := lib/discord/libdiscord-rpc.dylib
   else
-    RPC_LIBS := src/pc/discord/lib/libdiscord-rpc.so
+    RPC_LIBS := lib/discord/libdiscord-rpc.so
   endif
 endif
 
@@ -775,7 +775,7 @@ $(BUILD_DIR)/src/game/ingame_menu.o: $(BUILD_DIR)/include/text_strings.h $(BUILD
 $(BUILD_DIR)/src/game/options_menu.o: $(BUILD_DIR)/include/text_strings.h $(BUILD_DIR)/bin/eu/translation_en.o $(BUILD_DIR)/bin/eu/translation_de.o $(BUILD_DIR)/bin/eu/translation_fr.o
 O_FILES += $(BUILD_DIR)/bin/eu/translation_en.o $(BUILD_DIR)/bin/eu/translation_de.o $(BUILD_DIR)/bin/eu/translation_fr.o
 ifeq ($(DISCORDRPC),1)
-$(BUILD_DIR)/src/pc/discord/discordrpc.o: $(BUILD_DIR)/include/text_strings.h $(BUILD_DIR)/bin/eu/translation_en.o $(BUILD_DIR)/bin/eu/translation_de.o $(BUILD_DIR)/bin/eu/translation_fr.o
+  $(BUILD_DIR)/src/pc/discord/discordrpc.o: $(BUILD_DIR)/include/text_strings.h $(BUILD_DIR)/bin/eu/translation_en.o $(BUILD_DIR)/bin/eu/translation_de.o $(BUILD_DIR)/bin/eu/translation_fr.o
 endif
 else
 $(BUILD_DIR)/src/menu/file_select.o: $(BUILD_DIR)/include/text_strings.h
@@ -783,7 +783,7 @@ $(BUILD_DIR)/src/menu/star_select.o: $(BUILD_DIR)/include/text_strings.h
 $(BUILD_DIR)/src/game/ingame_menu.o: $(BUILD_DIR)/include/text_strings.h
 $(BUILD_DIR)/src/game/options_menu.o: $(BUILD_DIR)/include/text_strings.h
 ifeq ($(DISCORDRPC),1)
-$(BUILD_DIR)/src/pc/discord/discordrpc.o: $(BUILD_DIR)/include/text_strings.h
+  $(BUILD_DIR)/src/pc/discord/discordrpc.o: $(BUILD_DIR)/include/text_strings.h
 endif
 endif