fix for debugger (gdb on win)

blocknet-qt.pro

@@ -75,8 +75,14 @@ QMAKE_LFLAGS *= -fstack-protector-all --param ssp-buffer-size=1
 # We need to exclude this for Windows cross compile with MinGW 4.2.x, as it will result in a non-working executable!
 # This can be enabled for Windows, when we switch to MinGW >= 4.4.x.
 }
+
 # for extra security on Windows: enable ASLR and DEP via GCC linker flags
-win32:QMAKE_LFLAGS *= -Wl,--dynamicbase -Wl,--nxcompat
+win32 {
+    CONFIG(release, debug|release) {
+        QMAKE_LFLAGS *= -Wl,--dynamicbase -Wl,--nxcompat
+    }
+}
+
 QMAKE_CXXFLAGS = -fpermissive -std=c++11
 
 # use: qmake "USE_QRCODE=1"