Fix shortcuts.

builder/stage4/04-pisdr-system/shortcut/gnuradio.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Name=GNURadio Companion
 Comment=GNURadio
-Icon=/home/pi/GNURadio/gnuradio/grc/scripts/freedesktop/gnuradio_logo_icon-square.svg
+Icon=/home/pi/PiSDR/Software/gnuradio/grc/scripts/freedesktop/gnuradio_logo_icon-square.svg
 Exec=gnuradio-companion 
 Type=Application
 Encoding=UTF-8

builder/stage4/04-pisdr-system/shortcut/gqrx.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Name=GQRX
 Comment=GQRX
-Icon=/home/pi/Software/gqrx/new_logo/SVG/icon color.svg
+Icon=/home/pi/PiSDR/Software/gqrx/new_logo/SVG/icon color.svg
 Exec=gqrx 
 Type=Application
 Encoding=UTF-8

builder/stage4/04-pisdr-system/shortcut/sdrangel.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Name=SDR Angel
 Comment=SDR Angel
-Icon=/home/pi/Software/sdrangel/cmake/cpack/sdrangel_icon.svg
+Icon=/home/pi/PiSDR/Software/sdrangel/cmake/cpack/sdrangel_icon.svg
 Exec=sdrangel 
 Type=Application
 Encoding=UTF-8