File fix-build.patch of Package sdrpp-git

diff --git a/core/src/dsp/chain.h b/core/src/dsp/chain.h
index 1d4e950..00181d8 100644
--- a/core/src/dsp/chain.h
+++ b/core/src/dsp/chain.h
@@ -167,6 +167,7 @@ namespace dsp {
                 if (ln == block) { return NULL; }
                 if (states[ln]) { return ln; }
             }
+	    return NULL;
         }
 
         Processor<T, T>* blockAfter(Processor<T, T>* block) {
@@ -190,4 +191,4 @@ namespace dsp {
         std::map<Processor<T, T>*, bool> states;
         bool running = false;
     };
-}
\ No newline at end of file
+}
diff --git a/core/src/dsp/demod/ssb.h b/core/src/dsp/demod/ssb.h
index 59ef16b..c169604 100644
--- a/core/src/dsp/demod/ssb.h
+++ b/core/src/dsp/demod/ssb.h
@@ -113,6 +113,7 @@ namespace dsp::demod {
             else if (_mode == Mode::DSB) {
                 return 0.0;
             }
+	    return 0;
         }
 
         Mode _mode;
@@ -122,4 +123,4 @@ namespace dsp::demod {
         loop::AGC<float> agc;
 
     };
-};
\ No newline at end of file
+};
diff --git a/core/src/utils/proto/http.cpp b/core/src/utils/proto/http.cpp
index 8821f97..d10fbe8 100644
--- a/core/src/utils/proto/http.cpp
+++ b/core/src/utils/proto/http.cpp
@@ -257,6 +257,7 @@ namespace net::http {
 
         // Deserialize
         req.deserialize(respData);
+	return 0;
     }
 
     int Client::sendResponseHeader(ResponseHeader& resp) {
@@ -274,6 +275,7 @@ namespace net::http {
 
         // Deserialize
         resp.deserialize(respData);
+	return 0;
     }
 
     int Client::sendChunkHeader(ChunkHeader& chdr) {
@@ -301,4 +303,4 @@ namespace net::http {
         }
         return 0;
     }
-}
\ No newline at end of file
+}