gen_msvs_(vcx)proj.sh: set yasm format explicitly

use win32/win64 instead of $(PlatformName) (Win32/x64) for compatibility
with yasm 1.3.0. both format types were available since at least 0.8.0

BUG=843

Change-Id: I7917620490d0663b118ff08b96d1e5dbccba3703

build/make/gen_msvs_proj.sh

diff --git a/build/make/gen_msvs_proj.sh b/build/make/gen_msvs_proj.sh
index 3653309..7907225 100755
--- a/build/make/gen_msvs_proj.sh
+++ b/build/make/gen_msvs_proj.sh
@@ -245,13 +245,13 @@
 case "$target" in
     x86_64*)
         platforms[0]="x64"
-        asm_Debug_cmdline="yasm -Xvc -g cv8 -f \$(PlatformName) ${yasmincs} "\$(InputPath)""
-        asm_Release_cmdline="yasm -Xvc -f \$(PlatformName) ${yasmincs} "\$(InputPath)""
+        asm_Debug_cmdline="yasm -Xvc -g cv8 -f win64 ${yasmincs} "\$(InputPath)""
+        asm_Release_cmdline="yasm -Xvc -f win64 ${yasmincs} "\$(InputPath)""
     ;;
     x86*)
         platforms[0]="Win32"
-        asm_Debug_cmdline="yasm -Xvc -g cv8 -f \$(PlatformName) ${yasmincs} "\$(InputPath)""
-        asm_Release_cmdline="yasm -Xvc -f \$(PlatformName) ${yasmincs} "\$(InputPath)""
+        asm_Debug_cmdline="yasm -Xvc -g cv8 -f win32 ${yasmincs} "\$(InputPath)""
+        asm_Release_cmdline="yasm -Xvc -f win32 ${yasmincs} "\$(InputPath)""
     ;;
     *) die "Unsupported target $target!"
     ;;

build/make/gen_msvs_vcxproj.sh

diff --git a/build/make/gen_msvs_vcxproj.sh b/build/make/gen_msvs_vcxproj.sh
index 23ef6a3..56b9a3b 100755
--- a/build/make/gen_msvs_vcxproj.sh
+++ b/build/make/gen_msvs_vcxproj.sh
@@ -253,13 +253,13 @@
 case "$target" in
     x86_64*)
         platforms[0]="x64"
-        asm_Debug_cmdline="yasm -Xvc -g cv8 -f \$(PlatformName) ${yasmincs} "%(FullPath)""
-        asm_Release_cmdline="yasm -Xvc -f \$(PlatformName) ${yasmincs} "%(FullPath)""
+        asm_Debug_cmdline="yasm -Xvc -g cv8 -f win64 ${yasmincs} "%(FullPath)""
+        asm_Release_cmdline="yasm -Xvc -f win64 ${yasmincs} "%(FullPath)""
     ;;
     x86*)
         platforms[0]="Win32"
-        asm_Debug_cmdline="yasm -Xvc -g cv8 -f \$(PlatformName) ${yasmincs} "%(FullPath)""
-        asm_Release_cmdline="yasm -Xvc -f \$(PlatformName) ${yasmincs} "%(FullPath)""
+        asm_Debug_cmdline="yasm -Xvc -g cv8 -f win32 ${yasmincs} "%(FullPath)""
+        asm_Release_cmdline="yasm -Xvc -f win32 ${yasmincs} "%(FullPath)""
     ;;
     arm*)
         asm_Debug_cmdline="armasm -nologo "%(FullPath)""