Update dependency list

Signed-off-by: falkTX <falktx@falktx.com>

INSTALL.md

@@ -47,6 +47,12 @@ Optional for extended LV2 UIs support: (Linux only)
  - Qt4
  - Qt5
 
+Optional for Linux VST3 support:
+
+ - freetype2
+ - Xcursor
+ - Xext
+
 Optional for extra samplers support:
 
  - FluidSynth (SF2/3)
@@ -66,7 +72,7 @@ To find out which dependencies are missing.
 Under Debian based systems, you can use this command to install everything:
 ```
 sudo apt install python3-pyqt5.qtsvg python3-rdflib pyqt5-dev-tools \
-  libmagic-dev liblo-dev libasound2-dev libpulse-dev libx11-dev \
+  libmagic-dev liblo-dev libasound2-dev libpulse-dev libx11-dev libxcursor-dev libxext-dev \
   libgtk2.0-dev libgtk-3-dev libqt4-dev qtbase5-dev libfluidsynth-dev
 ```
 

source/Makefile.deps.mk

@@ -476,7 +476,7 @@ JUCE_AUDIO_DEVICES_LIBS = $(shell $(PKG_CONFIG) $(PKG_CONFIG_FLAGS) --libs alsa)
 JUCE_CORE_LIBS          = -ldl -pthread -lrt
 JUCE_EVENTS_LIBS        = $(shell $(PKG_CONFIG) $(PKG_CONFIG_FLAGS) --libs x11)
 JUCE_GRAPHICS_LIBS      = $(shell $(PKG_CONFIG) $(PKG_CONFIG_FLAGS) --libs freetype2)
-JUCE_GUI_BASICS_LIBS    = $(shell $(PKG_CONFIG) $(PKG_CONFIG_FLAGS) --libs x11 xext)
+JUCE_GUI_BASICS_LIBS    = $(shell $(PKG_CONFIG) $(PKG_CONFIG_FLAGS) --libs x11 xcursor xext)
 endif # USING_JUCE
 endif # LINUX