MAINT: Misc. typos

Found via `codespell`

Help/release/dev/iphone-deployment-target.rst

@@ -7,5 +7,5 @@ iphone-deployment-target
   set for the target platform selected by :variable:`CMAKE_OSX_SYSROOT`.
 
   If for example the sysroot variable specifies an iOS SDK then the
-  value in ``CMAKE_OSX_DEPLOYMENT_TARGET`` is interpreted as minium
+  value in ``CMAKE_OSX_DEPLOYMENT_TARGET`` is interpreted as minimum
   iOS version.

Modules/FindCUDA.cmake

@@ -104,7 +104,7 @@
 #      CUDA_NVCC_FLAGS_<CONFIG> variables.  For Visual Studio targets,
 #      the host compiler is constructed with one or more visual studio macros
 #      such as $(VCInstallDir), that expands out to the path when
-#      the command is run from withing VS.
+#      the command is run from within VS.
 #
 #   CUDA_NVCC_FLAGS
 #   CUDA_NVCC_FLAGS_<CONFIG>

Tests/FindOpenSSL/rand/main.cc

@@ -9,7 +9,7 @@ int main()
   unsigned char buf[1024];
 
   // random bytes
-  int rezval = RAND_bytes(buf, sizeof(buf)); /* 1 succes, 0 otherwise */
+  int rezval = RAND_bytes(buf, sizeof(buf)); /* 1 success, 0 otherwise */
 
   // check result
   if (rezval == 1) {