Update patches revision in instructions.

docs/building-msvc-x64.md

@@ -34,7 +34,7 @@ Open **x64 Native Tools Command Prompt for VS 2019.bat**, go to ***BuildPath***
     cd ThirdParty
     git clone https://github.com/desktop-app/patches.git
     cd patches
-    git checkout 41ead72
+    git checkout 7f8a282
     cd ../
     git clone https://chromium.googlesource.com/external/gyp
     cd gyp
@@ -65,7 +65,7 @@ Open **x64 Native Tools Command Prompt for VS 2019.bat**, go to ***BuildPath***
 
     git clone https://github.com/desktop-app/patches.git
     cd patches
-    git checkout 41ead72
+    git checkout 7f8a282
     cd ..
 
     git clone https://github.com/desktop-app/lzma.git

docs/building-msvc.md

@@ -34,7 +34,7 @@ Open **x86 Native Tools Command Prompt for VS 2019.bat**, go to ***BuildPath***
     cd ThirdParty
     git clone https://github.com/desktop-app/patches.git
     cd patches
-    git checkout ad34925
+    git checkout 7f8a282
     cd ../
     git clone https://chromium.googlesource.com/external/gyp
     cd gyp
@@ -65,7 +65,7 @@ Open **x86 Native Tools Command Prompt for VS 2019.bat**, go to ***BuildPath***
 
     git clone https://github.com/desktop-app/patches.git
     cd patches
-    git checkout ad34925
+    git checkout 7f8a282
     cd ..
 
     git clone https://github.com/desktop-app/lzma.git

docs/building-xcode.md

@@ -268,8 +268,8 @@ Go to ***BuildPath*** and run
     cd ../../..
 
     build/gyp_crashpad.py -Dmac_deployment_target=10.10
-    ninja -C out/Debug
-    ninja -C out/Release
+    ninja -C out/Debug base crashpad_util crashpad_client crashpad_handler
+    ninja -C out/Release base crashpad_util crashpad_client crashpad_handler
     cd ..
 
     git clone git://code.qt.io/qt/qt5.git qt_5_15_2