Update GLSLCompat.glsllib

jme3-core/src/main/resources/Common/ShaderLib/GLSLCompat.glsllib

@@ -4,7 +4,7 @@
       #if __VERSION__ >= 130
 	    precision highp sampler2DArray;        
       #endif
-	  precision highp sampler2DShadow;
+      precision highp sampler2DShadow;
       precision highp samplerCube;
       precision highp sampler3D;
       precision highp sampler2D;