fix missing return statement

Author: AlexandreRouma

core/src/dsp/chain.h

@@ -163,10 +163,12 @@ namespace dsp {
 
     private:
         Processor<T, T>* blockBefore(Processor<T, T>* block) {
+            // TODO: This is wrong and must be fixed when I get more time
             for (auto& ln : links) {
                 if (ln == block) { return NULL; }
                 if (states[ln]) { return ln; }
             }
+            return NULL;
         }
 
         Processor<T, T>* blockAfter(Processor<T, T>* block) {

core/src/utils/proto/http.cpp

@@ -257,6 +257,7 @@ namespace net::http {
 
         // Deserialize
         req.deserialize(respData);
+        return 0; // Might wanna return size instead
     }
 
     int Client::sendResponseHeader(ResponseHeader& resp) {
@@ -274,6 +275,7 @@ namespace net::http {
 
         // Deserialize
         resp.deserialize(respData);
+        return 0; // Might wanna return size instead
     }
 
     int Client::sendChunkHeader(ChunkHeader& chdr) {