change quote handling in bat script

src/win/common.bat

@@ -1,19 +1,19 @@
 @echo off
 
-SET MYPATH=%~dp0
+SET "MYPATH=%~dp0"
 
 set ProgramFiles64=%ProgramFiles: (x86)=%
-set I2PData="%LocalAppData%\I2P\"
+set "I2PData=%LocalAppData%\I2P\"
 
 set I2PPath="%ProgramFiles%\I2P\"
 if exist "%LocalAppData%\I2P\I2P.exe" (
-  set I2PPath="%LocalAppData%\I2P\"
+  set "I2PPath=%LocalAppData%\I2P\"
 )
 
 if exist "%ProgramFiles64%\I2P\" (
-  set I2PPath="%ProgramFiles64%\I2P\"
+  set "I2PPath=%ProgramFiles64%\I2P\"
 )
 
 if exist "%ProgramFiles(x86)%\I2P" (
-  set I2PPath="%ProgramFiles(x86)%\I2P\"
+  set "I2PPath=%ProgramFiles(x86)%\I2P\"
 )

src/win/copy-config-profile.bat

@@ -1,5 +1,5 @@
 
-SET MYPATH=%~dp0
+SET "MYPATH=%~dp0"
 call "%MYPATH%common.bat"
 
 if exist "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.config.i2p\" (

src/win/copy-profile.bat

@@ -1,5 +1,5 @@
 
-SET MYPATH=%~dp0
+SET "MYPATH=%~dp0"
 call "%MYPATH%common.bat"
 
 if exist "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\" (

src/win/i2pbrowser-private.bat

@@ -1,6 +1,6 @@
 @echo on
 
-SET MYPATH=%~dp0
+SET "MYPATH=%~dp0"
 call "%MYPATH%common.bat"
 
 call "%MYPATH%launchi2p.bat"

src/win/i2pbrowser.bat

@@ -1,6 +1,6 @@
 @echo on
 
-SET MYPATH=%~dp0
+SET "MYPATH=%~dp0"
 call "%MYPATH%common.bat"
 
 call "%MYPATH%launchi2p.bat"

src/win/i2pconfig.bat

@@ -1,6 +1,6 @@
 @echo off
 
-SET MYPATH=%~dp0
+SET "MYPATH=%~dp0"
 call "%MYPATH%common.bat"
 
 call "%MYPATH%copy-config-profile.bat"

src/win/launchi2p.bat

@@ -1,6 +1,6 @@
 @echo on
 
-SET MYPATH=%~dp0
+SET "MYPATH=%~dp0"
 call "%MYPATH%common.bat"
 
 

src/win/test.bat

@@ -1,5 +1,5 @@
 
-SET MYPATH=%~dp0
+SET "MYPATH=%~dp0"
 
 call "%MYPATH%common.bat"