qbs build: Fix wrong uses of qbs.toolchainType

qbs.toolchainType is a convenience property to *set* the toolchain in a
profile or on the command line. It must not be used to check for the
toolchain.

Change-Id: I97e3a2baceca4233db97f33b9fa8f2bc61abbcf3
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/libs/utils/utils.qbs

@@ -8,9 +8,9 @@ QtcLibrary {
         var libs = [];
         if (qbs.targetOS.contains("windows")) {
             libs.push("user32", "iphlpapi", "ws2_32", "shell32", "ole32");
-            if (qbs.toolchainType === "mingw")
+            if (qbs.toolchain.contains("mingw"))
                 libs.push("uuid");
-            else if (qbs.toolchainType === "msvc")
+            else if (qbs.toolchain.contains("msvc"))
                 libs.push("dbghelp");
         } else if (qbs.targetOS.contains("unix")) {
             if (!qbs.targetOS.contains("macos"))

src/tools/processlauncher/processlauncher.qbs

@@ -11,9 +11,7 @@ QtcTool {
 
     Properties {
         condition: qbs.targetOS.contains("windows")
-        cpp.dynamicLibraries: {
-            return qbs.toolchainType === "msvc" ? ["user32", "dbghelp"] : ["user32"];
-        }
+        cpp.dynamicLibraries: qbs.toolchain.contains("msvc") ? ["user32", "dbghelp"] : ["user32"]
     }
 
     files: [

src/tools/sdktool/sdktoollib.qbs

@@ -27,7 +27,7 @@ QtcLibrary {
         var libs = [];
         if (qbs.targetOS.contains("windows"))
             libs.push("user32", "shell32");
-        if (qbs.toolchainType === "msvc")
+        if (qbs.toolchain.contains("msvc"))
             libs.push("dbghelp");
         return libs;
     }