MSVS build: Fixed debug build. MSVS doesn't like uninitialized variables.

sgminer.c

@@ -5588,7 +5588,7 @@ static bool pool_active(struct pool *pool, bool pinging)
 	bool ret = false;
 	json_t *val;
 	CURL *curl;
-	int uninitialised_var(rolltime);
+	int rolltime = 0;
 
 	if (pool->has_gbt)
 		applog(LOG_DEBUG, "Retrieving block template from %s", pool->poolname);

winbuild/sgminer.vcxproj

@@ -99,7 +99,7 @@
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
-      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(ProjectDir)dist\lib\x86</AdditionalLibraryDirectories>
       <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
       <OptimizeReferences>false</OptimizeReferences>
@@ -136,7 +136,7 @@ exit 0</Command>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
-      <GenerateDebugInformation>false</GenerateDebugInformation>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(ProjectDir)dist\lib\x64</AdditionalLibraryDirectories>
       <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
       <OptimizeReferences>false</OptimizeReferences>