fixed linux build bug

sdrpp_v0.2.5_beta_preview_x64/config.json

@@ -0,0 +1,51 @@
+{
+    "bandColors": {
+        "amateur": "#FF0000FF",
+        "aviation": "#00FF00FF",
+        "broadcast": "#0000FFFF",
+        "marine": "#00FFFFFF",
+        "military": "#FFFF00FF"
+    },
+    "bandPlan": "General",
+    "bandPlanEnabled": true,
+    "centerTuning": false,
+    "fftHeight": 300,
+    "frequency": 2410927000,
+    "max": 0.0,
+    "maximized": true,
+    "menuOrder": [
+        "Source",
+        "Radio",
+        "Recorder",
+        "Sinks",
+        "Audio",
+        "Scripting",
+        "Band Plan",
+        "Display"
+    ],
+    "menuWidth": 300,
+    "min": -65.44117736816406,
+    "moduleInstances": {
+        "Audio Sink": "audio_sink",
+        "PlutoSDR Source": "plutosdr_source",
+        "RTL-TCP Source": "rtl_tcp_source",
+        "Radio": "radio",
+        "Recorder": "recorder",
+        "SoapySDR Source": "soapy_source"
+    },
+    "modules": [],
+    "offset": 0.0,
+    "showWaterfall": true,
+    "source": "",
+    "streams": {
+        "Radio": {
+            "muted": true,
+            "sink": "Audio",
+            "volume": 0.29591837525367737
+        }
+    },
+    "windowSize": {
+        "h": 720,
+        "w": 1280
+    }
+}