fix functions not returning values (#1926)

src/d/a/d_a_npc_cd.cpp

@@ -682,6 +682,7 @@ int daNpcCd_c::loadResrc(int param_0, int param_1) {
     if (result != cPhs_COMPLEATE_e) {
         return result;
     }
+    return result;
 }
 
 /* 80156C50-80156D1C 151590 00CC+00 0/0 0/0 1/1 .text            removeResrc__9daNpcCd_cFii */

src/d/a/d_a_npc_cd2.cpp

@@ -1790,6 +1790,7 @@ int daNpcCd2_c::loadResrc(int idx, int param_1) {
     if (result != cPhs_COMPLEATE_e) {
         return result;
     }
+    return result;
 }
 
 /* 80158CBC-80158D88 1535FC 00CC+00 0/0 0/0 4/4 .text   removeResrc__10daNpcCd2_cFii */

src/d/d_name.cpp

@@ -1422,17 +1422,23 @@ void dName_c::NameStrSet() {
 
 /* 80251048-80251094 24B988 004C+00 6/6 0/0 0/0 .text            getMenuPosIdx__7dName_cFUc */
 s32 dName_c::getMenuPosIdx(u8 selPos) {
+    s32 result;
     switch (selPos) {
     case 0:
-        return 0;
+        result = 0;
+        break;
     case 1:
-        return 1;
+        result = 1;
+        break;
     case 2:
-        return 2;
+        result = 2;
+        break;
     case 3:
-        return 3;
+        result = 3;
+        break;
     }
-    //!@bug UB: no default return
+    return result;
+    //!@bug UB: uninitialized default return
 }
 
 /* 80251094-8025115C 24B9D4 00C8+00 1/0 0/0 0/0 .text            draw__14dDlst_NameIN_cFv */

src/f_op/f_op_msg_mng.cpp

@@ -406,12 +406,12 @@ void J2DPicture::setBlendRatio(f32 param_0, f32 param_1) {
 
 /* 80020338-80020368 01AC78 0030+00 0/0 1/0 0/0 .text            append__10J2DPictureFPCcf */
 bool J2DPicture::append(char const* param_0, f32 param_1) {
-    insert(param_0, mTextureCount, param_1);
+    return insert(param_0, mTextureCount, param_1);
 }
 
 /* 80020368-8002039C 01ACA8 0034+00 0/0 1/0 0/0 .text            insert__10J2DPictureFPCcUcf */
-void J2DPicture::insert(char const* param_0, u8 param_1, f32 param_2) {
-    insert(param_0, NULL, param_1, param_2);
+bool J2DPicture::insert(char const* param_0, u8 param_1, f32 param_2) {
+    return insert(param_0, NULL, param_1, param_2);
 }
 
 /* 8002039C-800203E0 01ACDC 0044+00 0/0 3/3 0/0 .text            fopMsgM_createExpHeap__FUlP7JKRHeap