Fix the obsolete form of -Xdump-declarations-to argument

libraries/stdlib/build.gradle

@@ -121,7 +121,7 @@ compileBuiltinsKotlin {
         freeCompilerArgs = [
                 "-version",
                 "-Xallow-kotlin-package",
-                "-Xdump-declarations-to", "${buildDir}/runtime-declarations.json",
+                "-Xdump-declarations-to=${buildDir}/runtime-declarations.json",
                 "-cp", "${rootDir}/dist/builtins",
                 "-module-name", "kotlin-runtime"
         ]
@@ -134,7 +134,7 @@ compileKotlin {
                 "-Xallow-kotlin-package",
                 "-Xmultifile-parts-inherit",
                 "-Xnormalize-constructor-calls=enable",
-                "-Xdump-declarations-to", "${buildDir}/stdlib-declarations.json",
+                "-Xdump-declarations-to=${buildDir}/stdlib-declarations.json",
                 "-module-name", project.name
         ]
     }

libraries/stdlib/jdk7/build.gradle

@@ -50,7 +50,7 @@ compileKotlin {
             "-Xallow-kotlin-package",
             "-Xmultifile-parts-inherit",
             "-Xnormalize-constructor-calls=enable",
-            "-Xdump-declarations-to", "${buildDir}/stdlib-jdk7-declarations.json",
+            "-Xdump-declarations-to=${buildDir}/stdlib-jdk7-declarations.json",
             "-module-name", project.name
     ]
 }

libraries/stdlib/jdk8/build.gradle

@@ -53,7 +53,7 @@ compileKotlin {
             "-Xallow-kotlin-package",
             "-Xmultifile-parts-inherit",
             "-Xnormalize-constructor-calls=enable",
-            "-Xdump-declarations-to", "${buildDir}/stdlib-jdk8-declarations.json",
+            "-Xdump-declarations-to=${buildDir}/stdlib-jdk8-declarations.json",
             "-module-name", project.name
     ]
 }

libraries/stdlib/jre7/build.gradle

@@ -50,7 +50,7 @@ compileKotlin {
             "-Xallow-kotlin-package",
             "-Xmultifile-parts-inherit",
             "-Xnormalize-constructor-calls=enable",
-            "-Xdump-declarations-to", "${buildDir}/stdlib-jre7-declarations.json",
+            "-Xdump-declarations-to=${buildDir}/stdlib-jre7-declarations.json",
             "-module-name", project.name
     ]
 }

libraries/stdlib/jre8/build.gradle

@@ -53,7 +53,7 @@ compileKotlin {
             "-Xallow-kotlin-package",
             "-Xmultifile-parts-inherit",
             "-Xnormalize-constructor-calls=enable",
-            "-Xdump-declarations-to", "${buildDir}/stdlib-jre8-declarations.json",
+            "-Xdump-declarations-to=${buildDir}/stdlib-jre8-declarations.json",
             "-module-name", project.name
     ]
 }